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DAT Biology NEW!!!
New DAT Biology
263
Biology
Professional
06/08/2012

Additional Biology Flashcards

 


 

Cards

Term
Two nervous system structures are involved in a complex reaction?
Definition
Brainstem and Cerebrum
Term
When CO2 enters the plant what does it combine with and what is the end product?
Definition
PEP to form OAA
Term
What is a dendrite?
Definition
Cytoplasmic extensions that receive information and transmit it to the cell body
Term
Where is calcitonin secreted from and what is its function?
Definition
Secreted from thyroid and it decreases blood calcium
Term
What water reaches the epidermis, what is the only way that it can return to the vascular cylinder (plants)?
Definition
Symplast Water Pathway
Term
What is a provirus?
Definition
A virus that has integrated itself into the genome of the host cell.
Term
What is a reflex arc?
Definition
Rapid, involuntary response to a stimulus
Term
What specifically is the nucleolous (meaning, what is happening)?
Definition
DNA actively being transcribed into rRNA
Term
What 3 ways does sympatric speciation occur?
Definition

1) Balanced polymorphism

2) Polyploidy

3) Hybridization

Term
What effect does Aldosterone have on the permeability of the distal tubule and collecting duct?
Definition
It increases the permeability of the distal tubule and collecting duct to Na+
Term
What is the term used to describe the movement of plants towards light?
Definition
Phototaxis
Term
What is another name for the growth hormone?
Definition
Somatotropin
Term
What structures (1) help to maintain rigidity in plant cells? What is this commonly referred to as?
Definition
Central Vacuoles and it is turgor
Term
What are Rhizozomes?
Definition
Woody underground stems that can develop upright stems
Term
What is the Spiracle? What species have them?
Definition
Opening where the tracheae converges and gas exchange takes place. Seen in invertebrates
Term
What does an Archaebacteria's cell wall lack that other bacteria don't?
Definition
Peptidoglycan
Term
What structure provides stability to mRNA as well as controls its movement across the nuclear envelope?
Definition
Poly-A-tail
Term
What is the physiological definition of irritability?
Definition
The ability for a cell to respond to a stimulus
Term
What direction does DNA Polymerase move and on what strand?
Definition
3' ----> 5' on the template strand
Term
What is the function of aldosterone?
Definition
To regulate Na+ and K+ levels in the blood
Term
What 3 major enzymes does the intestinal mucosa secrete?
Definition
Lipases, aminopeptidases, disaccharidases
Term
What is an interspecific interaction? Intra (animal behavior).
Definition

Inter- species compete against one another

Intra- species work with one another

Term
What type of cells, as well as location, do root hairs occur on in plants?
Definition
Epidermal cells in the zone of maturation
Term
What does secretin trigger the release of, and for what purpose?
Definition
Triggers secretion of alkaline bicarbonate to neutralize acidic chyme
Term
What is the purpose of peritubular capillaries and where can they be found?
Definition
tiny blood vessels that travel alongside nephrons allowing reabsorption and secretion between blood and the inner lumen of the nephron.
Term
What is the glomerulus and where can it be found?
Definition
a network (tuft) of capillaries that performs the first step of filtering blood. Found at the beginning of the nephron
Term
What is the function of Pith and where is it located?
Definition
Storage of nutrients and aids in plant support. It is the innermost layer of plants
Term
What is agonistic behavior?
Definition
Any social behavior related to fighting
Term
What does gastrin induce the production of?
Definition
Induces production of HCl
Term
What does parathyroid hormone do with respect to blood Ca levels?
Definition
Increases the concentration
Term
 In plants, what is the innermost ring of tightly packed cells?
Definition
Endodermis
Term
What attaches to the promotor region to initiate transcription?
Definition
RNA polymerase
Term
What does petrification mean in relation to fossilization?
Definition
Minerals replace the cells of an organism
Term
Where are Calvin cycle enzymes contained within the chloroplast?
Definition
Stroma
Term
What is the function of pilli in bacteria?
Definition
Aids in the transfer on genetic material during conjugation
Term
What is significant about endospores with gram positive bacteria?
Definition
It allows them to be resistant to hot, cold, chemicals, radiation, and other extreme conditions
Term
What is the downside to endospores in bacteria, and by what process?
Definition
They slow down bacterial proliferation by endosporulation
Term
Is the gametophyte or sporophyte dominant in moss?
Definition
Gametophyte
Term
What is the difference between a Rhizoid and roots? Similarities?
Definition
Roots represent an entire organ while rhizoids are singular tissues. However, they are similar in design and function.
Term
What portion of the cell is known as the apical surface? Basolateral?
Definition

Apical- side of cell exposed to the lumen

 

Basolateral- everything else

Term
What are tight junctions? (specifically) Where are they located and what is their two major function?
Definition

Tight junctions are areas which seal adjacent epithelial cells. They are located just beneath the apical surface.

 

Their two main functions are:

1) Prevent passage of molecules and ions between cells so that materials must actually enter the cells

 

2) The block the movement of integral membrane proteins between the apical and basolateral surfaces of the cell. This preserves the special functions of each individual cell

Term
What is expressed on the apical surfaces of the human lung epithelial cells? Basolateral surface?
Definition

Apical- heregulin (growth stimulant)

 

Basolateral- Receptors

Term

What do many disorders of the lungs do in respect to the epithelium?

What problems can this cause?

Definition

Increase the permeability of the entire airway system epithelium.

 

This will cause proliferation (piling up) of the epithelial cells which is characteristic of chronic bronchitis, emphysema, and cystic fibrosis

Term
What is the function of adherens junctions?
Definition
They provide strong mechanical attachments between adjacent cells
Term
What is responsible for holding cardiac muscle together as the heart expands and contracts?
Definition
Adherens Junctions
Term
What two structures are adherens junctions built from? What is significant of each?
Definition

Cadherins- ensure cells within tissues are bound together and rely on Calcium to function efficiently. They are transmembrane proteins too.

 

Catenins- complexed to cadherins.

                     Two types: Alpha & Beta

                       Alpha- may bind to Beta & actin

                       Beta- binds to cadherins

Term
What are Gap Junctions and what is significant about them? What are they made from?
Definition
They are intercellular channels which allow the passage on ions and small molecules. They are made from the transmembrane protein connexins. 
Term
What is the end result of ions being able to flow through gap junctions?
Definition
Allowing ions to freely pass permits changes in membrane potential to pass on from cell to cell.
Term
What generally, and specifically, are desmosomes attached to, and where?
Definition

Desmosomes are attached to intermediate filaments of keratin in the cytoplasm

 

General: Intermediate filaments (IF's)

Specific: IF's of keratin

Term
What is significant about carcinoma cells and desmosomes?
Definition
Carcinoma cells no longer have desmosomes which is thought to account for metastasis. 
Term
What is the difference between a hemidesmosome and a desmosome?
Definition

Desmosomes- attach two epithelial cells together

Hemidesmosomes- Attach epithelial cells to basal lamina of adjacent cells

Term
What are plasmodesmata of plant cells analogous to in animal cells, functionally? What is the main structural difference.
Definition

Gap Junctions

 

Plasmodesamata can be thought of as simple plasma membrane extentions which connect adjacent plant cells

Term
What are granulocytes and what are the 3 different types?
Definition

WBC's which contain granules (membrane bound enzymes which digest endocytosed particles)

 

3 types

1) Eosinophils

2) Neutrophils

3) Basophils

Term

True or False:

 

Agranulocytes do NOT contain granules.

Definition
False. Although the name implies "no-granules", agranulocytes DO contain "non-specific granules" which are lysosomes
Term
What are the 3 types of agranulocytes?
Definition

1) Lymphocytes

2) Monocytes

3) Macrophages

Term
Which type of WBC releases histamine as an inflammatory  response?
Definition
Basophils
Term
What are the main targets for Eosinophils?
Definition
Larger parasites
Term
Which type of WBC defends against bacterial or fungal infections?
Definition
Neutrophils
Term
What is the result of histamine release on the blood stream?
Definition
Vasodilation
Term
Which type of WBC's are the predominant inflammatory cells in allergic reactions?
Definition
Eosinophils
Term
What are the 3 types of lymphocytes? Functions of each. 
Definition

1) B-cells- antibody production

2) T-cells- many

3) Natural Killer Cells- kills cancer cells or virally infected cells

Term
What are cytotoxic T-cells and what is their function?
Definition
T- cells which have a special co-receptor. These cells bind to antigens presented by tumor cells and viruses that have the major histocompatibility complex 1 on them.
Term
What is the function of a monocyte?
Definition
Replenish macrophages or in an inflammatory response, monocytes may act as macrophages to illicit an immune response
Term
What are reticulocytes?
Definition
Immature Red Blood Cells
Term
What phase of mitosis does the nucleolus reappear?
Definition
Anaphase
Term
Describe the slow block to polyspermy in humans.
Definition
Only one sperm may fertilize an egg due to cortical reactions which modify the exterior of the zona pellicuda, preventing more than one sperm from entering the egg
Term
How is polyspermy prevented in sea urchin eggs?
Definition
Changes in the electrical charge of the egg
Term
What is significant of the ductus venosus?
Definition
Allows blood to escape to the right ventricle ultimately bypassing pulmonary circulation
Term
What structure in the fetal heart allows blood to enter the left atrium from the right atrium?
Definition
Foramen ovale
Term
What is the function of Cholecystokinin? (2 of them)
Definition
A hunger suppressant which stimulates the release of bile.
Term
Approximately how many bones and different parts make up the axial skeleton?
Definition

Approximately 80 different bones coming from 6 different locations

 

1) Skull

2) Vertebral Column

3) Rib Cage

4) Hyoid (U shaped bone associated w/ swallowing)

5) Sternum

6) Ossicles (inner ear bones)

Term
What are the 2 functions of the appendicular skeleton?
Definition

1) Locomotion of the axial skeleton (lower limbs)

2) Manipulation of objects in the environment (upper limbs)

Term
What is another name for Haversian systems? What is its significance?
Definition
Haversian systems are also known as osteons which are the functional units of compact bone
Term
Where are the bones nerve and blood supply contained?
Definition
Haversian canals
Term
What is an albumin?
Definition

Albumin is a general name for any PROTEIN fitting the following 3 characteristics:

 

1) Water soluble

2) Denaturable by heat

3) Moderately soluble in salt solutions

Term
What is PKU disease? Can it be treated? If so, what is the prognosis?
Definition
Disease characterized by the inability to break down phenylalanine. It can be treated if diet is monitored at a very young age or else, mental retardation will develop.
Term
What is Hasimoto disease?
Definition
An autoimmune disease where the thyroid is attacked by immune responses. Often resulting in hypothyroidism
Term
What is a prostaglandin and what are the universal characteristics?
Definition

Any member from a lipid that is derived from a fatty acid.

 

Universal Characteristics

 

1) Exactly 20 carbons

2) Must contain a 5 membered ring

Term
What effect do prostaglandins have on smooth muscle?
Definition
They are involved in the regulation in contraction and relaxation of smooth muscles
Term
Prostaglandins are hormones but from what system?
Definition
Autocrine or Paracrine, NOT endocrine
Term
What is gluconeogenesis?
Definition
glucose production from non-carbohydrate precursors
Term
Where can eccrine sweat glands be found? What about apocrine?
Definition

Eccrine- all over the body

Apocrine- armpits & anus

Term
What is a cnidoblast?
Definition
Cells on a jelly fish where the nematocyst (stinging threads) is formed.
Term
What are the functions of the dermis?
Definition

1) Cushion the body from stress and strain

2) Contain connective tissue

Term
What layer of the skin holds sweat glands, sebaceous glands, lymphatic vessels, and blood vessels
Definition
Dermis
Term
Which layer of the skin can you find dead skin cells?
Definition
Stratum corneum
Term
What refers to the outer layer of the ear?
Definition
pinna
Term
What is the peritoneum?
Definition
Serous membrane that lines the abdominal cavity
Term
What is the serous membrane associated with the lungs?
Definition
Pleurae
Term
What does the epithelium have to do with vascular resistance?
Definition
If the epithelium is intact, platelet derived substances are vasodialatory. Where as if the epithelium is degraded, the platelet derived substances are vasoconstrictatory
Term
During Hypoxia (inadequate oxygen), what chemical causes vasodilation and decreased vascular resistance?
Definition
Adenosine
Term
What acts as the major determinant in vascular resistance?
Definition
Resistance arterioles (small arteriolar tone)
Term
What is the equation for STROKE VOLUME?
Definition
SV = (End Diastolic Volume) - (End Systolic Volume)
Term
What is the formula for cardiac output?
Definition
C.O. = Heart Rate * Stroke Volume
Term

Describe alternation of generation in land plants.

*Easy and In-depth*

 

Definition

Easy - Diploid sporophyte alternates with a haploid gametophyte.

 

In depth - diploid sporophytes produce haploid spores via meiosis and haploid gametophytes produce haploid gametes via mitosis

Term
What genetic term best describes the human blood types?
Definition
Polymorphisms
Term
What does an amino acid go directly after the t-RNA?
Definition
Ribosome
Term
During what process are t-RNA, m-RNA, and r-RNA produced?
Definition
Transcription
Term
For what reason does RNA synthesis have more errors than DNA synthesis?
Definition
Because RNA polymerase does NOT proofread like DNA polymerase
Term
During which step of interphase are mitochondria, ribosomes, and proteins produced?
Definition
G1
Term
What is the primary neurotransmitter for the parasympathetic nervous system?
Definition
Acetylcholone
Term
What is the primary neurotransmitter for the sympathetic nervous system?
Definition
Norepinephrine (noradrenaline)
Term
What type of bonds like amino acids and proteins, respectively?
Definition

Amino acids- peptide bonds

Proteins- Disulfide bonds

Term
If you increase the reaction constant, what happens to the reaction rate?
Definition
The reaction rate will decrease
Term
Which nitrogenous waste product do Malpighian Tubules form? Which species do we find them in and where do they discharge this waste?
Definition

Uric Acid

 

Insects

 

Discharge into the gut

Term
What group can we classify the species "plasmodium" into?
Definition
Sporazoans
Term
When do osteoblasts mature into osteocytes?
Definition
When they are trapped within small spaces of bone
Term
What is the most abundant RNA? Least abundant?
Definition

Most- r-RNA

Lease- m-RNA

Term
What is the smallest (size) RNA?
Definition
t-RNA
Term
What type of bonds link heavy and light chains in antibody's?
Definition
Disulfide bonds
Term
What is aminocentesis?
Definition
Procedure where a small amount of amniotic fluid is removed from the developing fetus to test for genetic abnormalities
Term
What is karyotyping?
Definition
Genetic test which examines chromosomes in a sample of cells ultimately helping to identify genetic issues
Term
What region is where the repressor binds for protein synthesis?
Definition
Operator
Term
What are the Rh signs associated with Erythroblastosis fetalis? What does this cause?
Definition
Rh - mother, Rh + fetus. The Rh - mother produces antibodies which can enter the fetus' blood stream which cause agglutination.
Term
What group is associated with Green Algae?
Definition
Spirogyra
Term
What group is associated with Red Algae?
Definition
Rhodophyta
Term
What is the name of the pressure that pulls fluid into capillaries?
Definition
Oncotic pressure
Term
What is hydrostatic pressure?
Definition
Pressure that pushes fluid out of capillaries
Term
What term refers to the inactive form of an enyme?
Definition
Zymogen
Term
What would be the appearance of Staphylococci if one were to theoretically view it under a microscope?
Definition
As a cluster of multiple Staphylococci cells
Term
What is the appearance of Streptococci and why?
Definition
Streptococci is a non-cluster because it is virulent
Term
What term is the part of a macromolecule which B cells and T cells recognize as foreign?
Definition
Epitope
Term
Why does the abdomen swell because of malnourishment?
Definition
Less blood protein decreases osmotic pressure towards blood vessels
Term
What is the periosteum?
Definition
Most superficial layer of bones where the tendons integrate
Term
Where would we find Rugal Folds in the digestive tract?
Definition
The stomach
Term
How does water move via the symplastic pathway?
Definition
Through plasmodesmata
Term
After the ascending loop of henle, what is the next part of the kidney?
Definition
Distal Tubule
Term
In prokaryotes, what is the majority of DNA replicated by?
Definition
DNA Polymerase III
Term
At the nodes of ranvier, what is there likely and abundance of and why?
Definition
Abundance of Sodium Potassium Pumps to facilitate saltatory conduction
Term
What is a synapomorphy?
Definition
A shared trait derived from a common ancestor that is common to ALL members of a group.
Term
During late prophase (mitosis) a.k.a. "prometaphase", what significant event occurs?
Definition
Nuclear envelope breaks down and microtubules connect
Term
During what phase of mitosis do the daughter cells form, as well as the nuclear envelope reforms?
Definition
Telophase
Term
During Mitosis, when does the daughter cell split?
Definition
Cytokinesis
Term
In what structure of the kidney would you be most likely to find pre-urine?
Definition
Renal Pelvis
Term
What germ layer does the Adrenal Cortex arise from? What about the Adrenal Medulla?
Definition

Adrenal Cortex- mesoderm

 

Adrenal Medulla- Ectoderm

Term
What is a nonsense mutation?
Definition
Inserting base which results in a premature STOP codon
Term
What is Tidal Breathing and how does it compare to continuous breathing? What form of breathing do humans have? What about birds?
Definition
Tidal breathing inhibits gas exchange during exhalation. Tidal breathing is more inefficient compared to continuous breathing. Humans have tidal breathing, birds have continuous.
Term
How could one describe a fibrous joint? What is an example?
Definition

Connected by fibrous tissue and lacking a joint cavity.

 

Sutures that connect the bones of the cranium

Term
What is cartilaginous joint? Example?
Definition

No cavity and adjoined by cartiledge.

 

Where ribs attach to sternum (intercostal joint)

Term
Describe a Synovial Joint. Example
Definition

True cavity, synovial fluid, full range of motion

 

Shoulder and Knee

Term
What is the wobble hypothesis?
Definition
Abnormal base pairing between codon and anticodon
Term
For every molecule of acetyl co a oxidized during the krebs cycle, how many NADH, FADH2, and GTP are produced?
Definition
3 NADH, 1 FADH2, and 1 GTP
Term
The expression of the bicoid gene is dependent on what?
Definition
ONLY the genotype of the mother
Term
What is ovoviviparity and what type of animals have this?
Definition
Egg develops AND hatches within the mother. Seen in reptiles and fish
Term
What is ovipary and what species express this?
Definition
Hatching an egg outside of the mother. Birds have this
Term
Why does blood move slower in the capillaries versus the arterioles?
Definition
Because the cross sectional area of the capillaries is greater than that of arterioles
Term
Are Killer T Cells part of the adaptive or innate immune system?
Definition
Adaptive immune system
Term
How could one describe the innate immune system?
Definition
Immediate, non specific by both chemical and mechanical means
Term
What is the Law of Segregation?
Definition
Each gamete receives a single allele for each gene during meiosis
Term
The Lac Operon contains genes which encode for what sugar?
Definition
B-galactosidase
Term
Which DNA Polymerase reverses directions to proofread? In doing so, what specific activity is this performing?
Definition

DNA polymerase III.

 

3'----->5' exonuclease activity

Term
What is Hamilton's Law of Inclusive Fitness?
Definition
Cost to the altruist, benefit to the recipient, coefficient of relatedness
Term
Where is the first polar body formed in human reproduction?
Definition
Ovary
Term
What is Eutrophication?
Definition
Influx of nutrients destroys aquatic ecosystem
Term
What is the midsection of long bones called?
Definition
Diaphysis
Term
Explain DNA Polymerase I's activity in bacteria.
Definition
It may only synthesize new DNA by adding nucleotides to an existing strand
Term
What is the mneumonic to remember the diagnostic tests when looking for specific base sequences?
Definition

SNOW DROP

 

(S)outhern Blot       (D)NA

(N)orthern Blot       (R)NA

(O) ----------      (O)

     (W)estern Blot        (P)roteins

Term
When oxygen depleted blood leaves the right ventricle, when does it go?
Definition
Pulmonary Artery
Term
The mantle of a mollusk is primarily made of what?
Definition
Calcium Carbonate
Term
How could one describe recruitment (neurological)?
Definition
Neural stimulation of an increasing # of motor units
Term
What do DNA Microarrays measure?
Definition
Simultaneous expression of multiple genes
Term
What 2 places do prokaryotes store genetic information?
Definition
Nucleoids and Plasmids
Term
What term refers to a location where muscle attaches to less movable end of a bone?
Definition
Origin
Term
What is the hypodermis mainly made of? What does this do?
Definition
mainly consists of adipose tissue to cushion the body
Term
What are septa's in the species hypha?
Definition
perforated cross walk making unicellular hypha, multicellular
Term
What is a Haustoria?
Definition
Modified end of a parasitic fungus which penetrates host tissue for nutrient absorption
Term
What are mycellia and what is their benefit?
Definition
Clusters of interwoven Hyphae enhancing multinucleation
Term
What does vasoconstriction of afferent arterioles due in respect to blood flow and filtration?
Definition
Increases blood flow, decreases filtration
Term
What does vasoconstriction of the efferent arterioles due in respect to blood flow and filtration?
Definition
Decreases blood flow, increases filtration
Term
What plant structure helps roots push through dry soil by releasing secretin?
Definition
Root Caps
Term
What is the flower arrangement of monocots? Dicots?
Definition

Monocots- 3

 

Dicots- 4 OR 5

Term
What layer of a plant secretes digestive enzymes that break down seed structure, allowing germination?
Definition
Aleurone Layer
Term
Where do the Dark Reactions take place?
Definition
Stroma
Term
Where is the Thoracic Duct located?
Definition
Under left collarbone
Term
Is sporophyte or gametophyte dominant in Bryophytes?
Definition
Gametophyte
Term
What is significant about the Ductus arteriosus?
Definition
Allows blood flow from pulmonary artery to aortic arch.
Term
What two fetal heart structures allow bypassing of the pulmonary circulation?
Definition
Foramen ovale and Ductus arteriosus
Term
What converts trypsinogen to trypsin?
Definition
Enterokinase
Term
What hormone initiates hunger?
Definition
Grenlin
Term
What connects the hypothalamus to the pituitary gland?
Definition
Infundibulum
Term
What is the master endocrine gland?
Definition
Pituitary
Term
What 2 ways can Aldosterone be released?
Definition
By renin pathways or ACTH
Term
What induces exocytosis of neurotransmitters in the pre-synaptic cleft?
Definition
Calcium ions
Term
What structures of the renal system prevent excretion of large proteins out of the body?
Definition
Podocytes
Term
What effect does aldosterone have on the blood pressure? What is aldosterone's primary effector site?
Definition
Increases blood pressure, effector site is distal tubule
Term
What primarily makes of cellulose?
Definition
Microfibrils
Term
What is the cause of negative pressure breathing in the lungs?
Definition
Contraction of the diaphragm and incrompressability of intrapleural fluid
Term

Of the 4 listed below, which is NOT directly included in destruction of antigens:

 

Killer T cells, Basophils, Macrophages, Neutrophils

Definition
Basophils
Term
Describe double fertilization?
Definition
Generative cell undergoes mitosis producing 2 sperm cells which separately fertilize an egg and 2 polar nuclei by aid of a pollen tube
Term
Where does the generation of impulses that travel down an axon take place at?
Definition
Axon Hillock
Term
What 2 things does a nucleosome do to genetic material?
Definition
Helps condense genetic material and by doing so it limits access to the promotor region
Term
What type of function do Langerhans cells have and where are they derived from?
Definition
Immune function derived from red bone marrow
Term
What are centrioles?
Definition
Microtubules involved in spindle formation during cell division
Term
What is translocation?
Definition
2 NON-homologous chromosomes interchange genes
Term
What cells in the testes secrete testosterone?
Definition
Leydig cells
Term
What mechanism allows for sperm to penetrate the egg?
Definition
Capcacitation
Term
What hormone thickens endometrium and what hormone maintains it?
Definition
Estrogen and progesterone, respectively
Term
What makes the 3n endosperm?
Definition
1 sperm and 2 polar nuclei
Term
What is the stroke volume (not equation)
Definition
volume of blood discharged from each ventricle with each contraction
Term
What type of cells release histamine?
Definition
Mast cells
Term
What buffer maintains pH of internal cell fluid? Extracellular?
Definition

Internal- Phosphate Buffer

External- Bicarbonate Buffer

Term
What plant hormone promotes cell division?
Definition
Cytokinins
Term
What part of the brain is responsible for visual and auditory impulses?
Definition
Midbrain
Term
What are the 3 major components of the hindbrain?
Definition
Pons, Medulla, Cerebellum
Term
What are the 2 major structures of the outer ear?
Definition
Auricle and Auditory canal
Term
2 structures of the mid ear?
Definition
Ossicles, Tympanic Membrane, 
Term
What is the function of the vestibular apparatus located in the inner ear?
Definition
Equilibrium
Term
What is the Cori Cycle?
Definition
Converts lactose back to glucose
Term
What is the glyoxylate cycle?
Definition
Can be thought of as glycolysis in plants and bacteria
Term
What is the Bohr effect?
Definition
Hemoglobin unloads O2 under low pH
Term
Nitrifying bacteria
Definition
Oxidize ammonia and nitrites into nitrates
Term
What is intramembraneous ossification?
Definition
Messenchymal (undifferentiated) tissue is transformed into and replaced by bone
Term
What is Endochondral Ossification and what type of bone is it likely to take place in?
Definition
Existing cartiledge is replaced by bone. Happens in Long bones
Term
What is a skeletal insertion?
Definition
Point of attachment of movable bone
Term
What is tetanus and how is it different from tonus?
Definition
Tetanus is continual contraction while tonus is temporary contraction
Term
What cells secrete HCl in the digestive tract?
Definition
Parietal cells
Term
Where is Cholecytokinin produced?
Definition
Duodenum
Term
Where is the body's main source of vitamin K?
Definition
Bacteria of large intestine
Term
What 2 structures make the renal corpuscle?
Definition
Glomerulus surrounded by Bowman's Capsule
Term
What is a reticular activating response?
Definition
Startle
Term
What is another name for blue-green algae?
Definition
Cyanobacteria
Term
How might one go about fighting prostaglandins and why?
Definition
They might take Aspirin since it reduces fevers, inflammation, and pain sensation. Prostaglandins induce all of these behaviors
Term
At what stage in mitosis would one use a karyotype and why?
Definition
Metaphase since all of the chromosomes are nicely arranged at the metaphase plate
Term
What type of hormones derivatives are norepinephrine and epinephrine?
Definition
Amino Acid derivative hormones
Term
At what stage in mitosis do centrioles begin to move to the opposite poles
Definition
Prophase
Term
What does the ductus venosus allow blood to bypass?
Definition
The liver, NOT pulmonary circulation
Term
When looking at a pedigree, if there is a skip in the generation, what type of disease are you most likely viewing? What if it doesn't skip a generation and is included with both sexes in the 2nd generation?
Definition

Autosomal recessive

 

Autosomal dominant

Term
What is the promotor region formally called in prokaryotes?
Definition
Pribnow box
Term
In a dihybrid cross, which generation is a 9:3:3:1 phenotypic ration characteristic of?
Definition
F-2
Term
What Kingdom does Algae normally fall under?
Definition
Protista
Term
After ovulation, what does the ovarian follicle create?
Definition
Corpus Luteum
Term
What term refers to clusters of sporangia which develop on the lower surface of the leaf?
Definition
Sori
Term
An organism belonging which type of species will be distinctly male or female?
Definition
Dioecious
Term
The phloem is known to transport sugars, but which one?
Definition
Sucrose
Term
What are starch and glycogen polymers of?
Definition
Alpha glucose
Term
What is the equation for blood pressure?
Definition
Blood pressure = cardiac output * peripheral vascular resistance
Term
Which stratum layer contains dividing cells?
Definition
Stratum germinativum "germ layer"
Term
What are the products of the first meiotic division of an egg cell?
Definition
One large cell and one small cell; the smaller cell forming a polar body
Term
What are transverse tubules and what do they allow?
Definition
Transverse tubules are deep invaginations of the sarcolemma. They allow depolarization of the membrane to quickly reach the interior of the cell.
Term
What type(s) of muscle could one find sarcolemma?
Definition
Skeletal and cardiac, NOT smooth
Term
What does cartilage arise from?
Definition
Mesenchyme
Term
Approximately what percent of the DNA sequence is converted to m-RNA in mammalian cells?
Definition
~ 1%
Term
What are the products of spermatogenesis and oogenesis in vertebrates?
Definition

Spermatogenesis- 4 functional spermatozoa are produced

 

Oogenesis- one functional ovum is produced

Term
What species is known as a plant-like protist?
Definition
Volvox
Term
What is the function of phrenic nerves during inspiration?
Definition
To carry impulses to the diaphragm and allow contraction
Term
Where does blood travel slowest?
Definition
Capillaries
Term
What attracts helper T cells to macrophages?
Definition
Interleukins
Term
How do natural killer cells combat microorganisms?
Definition
Indirectly, they only attack infected body cells
Term
Which fungal pathogen would most likely be involved in food spoilage?
Definition
Rhizopus
Term
What fungal pathogen is involved in infections of the mucous membrane?
Definition
Candida
Term
What species contain flagellum for locomotion and often have chloroplasts?
Definition
Euglena
Term
What is insulin derived from? (Not B-cells)
Definition
Pro-insulin, pre-pro-insulin
Term
What enzyme is responsible for degrading cyclic AMP?
Definition
phosphodiesterase
Term
What is syngamy?
Definition
Uniting of sperm cell and an egg cell, or simply Fertilization
Term
Define and explain the difference between transformation, transduction, and conjugation.
Definition

Transformation- bacteria obtain DNA from the outside environment

 

Transduction- a virus obtains one bacteria's DNA and then infects another bacteria with the 1st bacteria's DNA

 

Conjugation- bacteria transfers its DNA DIRECTLY to another bacterial cell

Term
What molecule forms a polyhedral lattice around coated pits during endocytosis?
Definition
Clathrin
Term
Which vessel of the heart has the highest blood pressure?
Definition
Aorta
Term
What is the aortic branch which supplies blood to the heart?
Definition
Coronary artery
Term
In humans, what is the function of the allantois? What does it eventually turn into?
Definition
The allantois is involved in oxygen and nutrient transport and eventually becomes 
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