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Biology Final
Auburn University-Kearly Fall 2010
155
Biology
Undergraduate 2
12/06/2010

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Term
You turn your key and the car doesn't start. Your explanation for this is that the car's battery is dead.
This would be an example of a:
Definition
hypothesis
Term
A Na+ ion has an atomic # of 11 and a positive charge. How many total electrons does the Na+ ion contain?
Definition
10
Term
A Na+ ion has an atomic # of 11 and a positive charge. How many electrons are in the outer shell of the Na+ ion?
Definition
8
Term
A Na+ ion has an atomic # of 11 and a positive charge. How many protons does the Na+ ion have?
Definition
11
Term
A Na+ ion has an atomic # of 11 and a positive charge. In Na23, how many neutrons would there be?
Definition
12
Term
Which of the following is not a characteristic of all living organisms?
A. they have at least 1 cell B. maintain constant internal conditions C. they have a nucleus D. they respond to their environment
Definition
C. They have a nucleus
Term
If the positive hydrogen end of one water molecule is attracted to the negative end of another water
molecule, this would be an example of a/an:
Definition
Hydrogen Bond
Term
(T or F) The molecules in ice are more widely spaced than the molecules in liquid water.
Definition
True
Term
You drop sugar into water, it dissolves. Sugar is:
Definition
hydrophilic
Term
Ammonia (a base) is dropped into a neutral solution. The pH will:
Definition
increase
Term
If you took the pH of your blood, what would indicate a normal level?
Definition
7.4
Term
Argon has an atomic # of 18. If it is neutral, how many electrons does it have in its outer shell?
Definition
8
Term
Which of the following is not true of cellulose?
A. is a polysaccharide B. is a structural components of plants C. is composed of monosaccharides linked together D. is digestible by animals
Definition
D. is digestible by animals
Term
Which of the following is true of lipids?
A. contain hydrogen B. used for energy storage
C. are hydrophobic D. all of the above
Definition
D. All the above
Term
If glucose and fructose (monosaccharides) combine to from sucrose (disaccharide), and water is
given off. Then this would be an example of:
Definition
dehydration synthesis
Term
Which of the following is true of hydrolysis?
A. smaller molecules are linked together to form larger molecules B. only occurs in non-organic molecules C. requires water D. all of these are true
Definition
C. requires water
Term
Every fatty acid contains which functional group?
Definition
carboxyl
Term
Having fat containing is considered to be good for your cardiovascular health.
Definition
unsaturated, at least one double bond between carbons
Term
Which of the following is true of amino acids?
A. form lipids when linked together B. are linked together to form nucleic acids C. are linked together to form proteins D. are the primary components of starch
Definition
C. They are linked together to form proteins
Term
(T or F) If you go to the doctor, you want your HDL (high density lipoprotein) to be high.
Definition
True
Term
Which of the following is true of prokaryotes?
A. Can be multicellular B. Have a nucleus
C. Have organelles D. Only bacteria and the archaea are prokaryotic
Definition
D. Only bacteria and the archaea are prokaryotic
Term
Which of the following would be used to digest nutrients in your cells?
A. Golgi complex B. lysosomes
C. smooth endoplasmic reticulum D. ribosomes
Definition
B. lysosomes
Term
Which of the following structures are found in plant cells, but not in animal cells?
A. Golgi complex B. smooth endoplasmic reticulum
C. central vacoule D. Golgi apparatus
Definition
C. central vacoule
Term
across a biological membrane requires energy and transport proteins - moves a substance against its concentration gradient.
Definition
active transport
Term
Which of the following components maintains the fluidity of the plasma membrane?
A. passive transport proteins B. cholesterol
C. receptor proteins D. active transport proteins
Definition
B. cholesterol
Term
When a substance moves through a passive transport protein:
Definition
it moves from an area of higher concentration to an area of lower concentration
Term
If a cell is dropped into a hypotonic solution, then the net movement of water will:
Definition
be into the cell
Term
If you drop a bag that contains a 1% solution into a beaker that contains a 3% solution, then the bag
will:
Definition
lose weight
Term
If you drop a bag that contains a 1% solution into a beaker that contains a 3% solution. The solution
in the bag is:
Definition
hypotonic
Term
In which of the following stages is NADH produced?
A. the Krebs cycle B. the preparatory reactions
C. glycolysis D. all of the above
Definition
D. all the above
Term
Which of the following molecules is used to carry electrons to the ETC?
A. ATP B. ADP C. FADH2 D. none of the above
Definition
C. FADH2
Term
Which of the following reactions takes place in the chloroplast?
A. glycolyis B. the Krebs cycle C. the preparatory reactions D. the light dependent reactions
Definition
D. the light dependent reactions
Term
Which of the following is true of the second law of thermodynamics?
A. states that disorder is constantly increasing
B. states the amount of usable energy is decreasing
C. states that all energy transformations are inefficient D. all of the above
Definition
D. all the above
Term
Which of the following take place in the mitochondria?
A. the Krebs cycle B. the Calvin cycle
C. glycolysis D. all of the above
Definition
A. the Krebs cycle
Term
The oxygen you breathe comes from the:
Definition
light dependent reactions
Term
What gas is consumed (taken in) in the Calvin cycle?
Definition
carbon dioxide
Term
In the ETC, where does the energy come from to transform ADP into ATP?
Definition
the movement of hydrogen ions
Term
Electrons are provided directly to the ETC by:
Definition
the oxidation of NADH
Term
The stage of photosynthesis which takes place within the fluid found within a chloroplast is:
Definition
the Calvin Cycle
Term
is the sum of all chemical reactions that occur within an organism.
Definition
metabolism
Term
There is condensation (water) in your breath. Where did that water come from?
Definition
the ETC
Term
Which of the following is consumed in photosynthesis?
A. oxygen B. glucose
C. water D. all of the above
Definition
C. water
Term
Which of the following is produced in photosynthesis and consumed in respiration?
A. carbon dioxide B. glucose
C. sunlight D. all of the above
Definition
B. glucose
Term
In which stage of photosynthesis is water consumed?
Definition
the light dependent reactions
Term
If a cell is dropped into a hypertonic solution, then the net movement of water will:
Definition
be out of the cell
Term
Why would extremely high temperatures prevent enzymes from regulating chemical
reactions?
Definition
the shape of the enzyme (and active site) change
Term
Which of the following removes electrons from the electron transport chain?
A. hydrogen ions B. oxygen
C. carbon dioxide D. ADP
Definition
B. oxygen
Term
Which of the following would you primarily use anaerobic respiration for?
A. taking a test B. sleeping
C. walking long distances D. sprinting away from an alligator
Definition
D. sprinting away from an alligator
Term
(T or F) Anaerobic respiration produces more ATP per glucose molecule than aerobic
respiration does.
Definition
False
Term
As electrons pass down the electron transport chain, they are giving off energy to move
across a membrane.
Definition
Hydrogen ions
Term
What product of respiration allows mosquitoes to find you?
Definition
carbon dioxide
Term
Which of the following wavelengths of light will chlorophyll reflect?
A. red B. orange
C. blue D. green
Definition
D. green
Term
In the light dependent reactions, solar energy is converted into:
Definition
ATP
Term
Photosynthesis counteracts the greenhouse effect by:
Definition
consuming carbon dioxide
Term
The end product of the light independent reactions (Calvin cycle) is:
Definition
glucose
Term
Where does glycolysis occur?
Definition
in the cytoplasm (cytosol)
Term
Which of the following reactions produce ATP?
A. the Krebs cycle B. glycolysis
C. the ETC D. all of the above
Definition
D. all of the above
Term
Maltase regulates a reaction in which maltose is broken down into 2 glucose molecules. Maltose is:
Definition
substrate
Term
Maltase regulates a reaction in which maltose is broken down into 2 glucose molecules. (T or F) In the above reaction, maltase is not changed by the chemical reaction.
Definition
true
Term
Maltase regulates a reaction in which maltose is broken down into 2 glucose molecules. Glucose is:
Definition
product
Term
In humans, mitosis is used to:
Definition
produce cells that are exact copies of the original cell
Term
(T or F) Sister chromatids contain exactly the same DNA.
Definition
true
Term
The cell cycle consists of:
Definition
interphase and the mitotic phase
Term
(T or F) When a cell in mitosis splits into two new cells, those new cells have exactly the same
DNA as the original cell.
Definition
true
Term
Which of the following would humans use mitosis for?
A. reproduction B. cell replacement
C. to produce haploid cells D. all of the above
Definition
B. cell replacement
Term
Which of the following occurs during interphase?
A. the mitotic spindle forms B. sister chromatids separate C. chromosome duplication D. all of the above
Definition
C. chromosome duplication
Term
Cancer cells are cells that:
Definition
divide excessively
Term
Leukemia is a cancer that might originate in the:
Definition
bone marrow
Term
Chemotherapy consists of drugs that:
Definition
disrupt cell division
Term
If a female organism used mitosis to reproduce, then which of the following is true?
Definition
her offspring would also be female
Term
Which of the following is true of meiosis?
A. produces diploid cells B. occurs in most cells found in humans
C. produces gametes D. all of the above
Definition
C. produces gametes
Term
In which stage of meiosis does crossing over take place?
Definition
prophase I
Term
How many chromosomes did you get from your father?
Definition
23
Term
Which of the following is true of chromosome duplication?
A. occurs prior to meiosis I B. occurs between meiosis I and II C. occurs during prophase I D. all of the above
Definition
A. occurs prior to meiosis I
Term
If an organism had 2 chromosomes in its gametes, then how many different combinations of
chromosomes could we see in one of its gametes?
Definition
4
Term
Plant height: T= tall and t= short,
Flower color: P= purple flowers, p= white flowers
We cross a short plant that is heterozygous for flower color with a plant that is heterozygous for
plant height, but has white flowers. What proportion of the offspring would we expect to be tall and have purple flowers?
Definition
3/8
Term
Plant height: T= tall and t= short,
Flower color: P= purple flowers, p= white flowers
We cross a short plant that is heterozygous for flower color with a plant that is heterozygous for
plant height, but has white flowers. What proportion of the offspring would we expect to be short and have white flowers?
Definition
1/4
Term
Plant height: T= tall and t= short,
Flower color: P= purple flowers, p= white flowers
We cross a short plant that is heterozygous for flower color with a plant that is heterozygous for
plant height, but has white flowers. What proportion of the offspring would we expect to be short and have purple flowers?
Definition
1/2
Term
In hypercholesterolemia, HH= normal, Hh = mild disease, hh = severe disease. Hypercholesterolemia is an example of:
Definition
incomplete dominance
Term
In hypercholesterolemia, HH= normal, Hh = mild disease, hh = severe disease. If one parent with the mild form of the disease crossed with a parent that was normal, then what are the chances their child would have the mild form of the disease?
Definition
1/2
Term
If a mother with type A blood and a father with type A blood cross, then what blood types could their child have?
Definition
type A or type O
Term
Hair color is affected by numerous genes at numerous loci. Hair color is an example of:
Definition
a polygenic trait
Term
In phenylketonuria, a defect in an allele at one locus can result in the symptoms of mental
retardation, eczema, and pigment defects. Phenylketonuria is an example of:
Definition
pleiotropy
Term
(T or F) If a mother has hemophilia, then her son will always have hemophilia.
Definition
true
Term
If a father has hemophilia and the mother is normal and homozygous, then what are the
chances their daughter would have hemophilia?
Definition
no chance
Term
If two parents are heterozyous for the allele that causes sickle cell anemia, then what is the
probability their child will actually have the disease?
Definition
1/4
Term
If a father is homozygous dominant for the allele that causes Huntington's disease, and he
crosses with a woman who is normal, what are the chances their children would have genes that
coded for Huntington's disease?
Definition
100%
Term
Klinefelter's syndrome is an example of:
Definition
aneuploidy
Term
Which of the following conditions generally produces a phenotype that is not detected unless
genetic testing occurs (symptoms that are the least severe)?
A. XO B. XXX
C. XYY D. XXY
Definition
C. XYY
Term
In DNA replication, a thymine will pair with a/an:
Definition
adenine
Term
In transcription, a thymine on DNA will pair with a/an ______ on the RNA strand.
Definition
adenine
Term
Which of the following is true of the lagging strand in DNA replication?
A. is replicated in fragments B. utilizes DNA ligase
C. is replicated in a 5' (prime) to 3' (prime) direction D. all of the above
Definition
D. all of the above
Term
In translation, tRNA (transfer RNA) brings _____ to the ribosome.
Definition
amino acids
Term
If the codon on m-RNA reads A,U,G, then the anti-codon on t-RNA will read:
Definition
u,a,c
Term
Transcription takes place:
Definition
in the nucleus
Term
The overall purpose of transcription and translation is to make ______ that can be
linked together to form _____ .
Definition
polypeptide chains, proteins
Term
The process through which genetic info. flows from genes to proteins-turned on and off by turning transcription on and off
Definition
gene expression
Term
cells become specialized in structure and function in the many divisions that lead from a unicellular zygote to a multicellular organism
Definition
cellular differentiation
Term
genetically identical copy
Definition
clone
Term
exact genetic replica of another sheep
Definition
Dolly
Term
eventually give rise to all the specialized cells of the body
Definition
embryonic stem cells
Term
transplant nucleus from patient's cells into developing embryonic stem cells and then harvest the stem cells at a very early stage. Stem cells then used to replace patient's damaged cells
Definition
Therapeutic cloning
Term
gene that causes cancer (uncontrolled growth of cells)
Definition
oncogene
Term
normal gene can be converted to become an oncogene
Definition
proto-oncogene
Term
normally inhibit uncontrolled cell division
Definition
tumor-suppressor genes
Term
cancer causing agents
Definition
carcinogens
Term
found in bacteria, used to cut DNA
Definition
restriction enzymes
Term
bacteria-pick up DNA from surroundings
Definition
Transformation
Term
rings of bacterial DNA that can be incorporated into the bacterial cell
Definition
plasmids
Term
growth hormone normally secreted by the pituitary gland
Definition
Somatotropin
Term
2 or more sections of DNA that have been combined by humans-does not exist in nature
Definition
Recombinant DNA
Term
sorts proteins and nucleic acids by charge and size
Definition
Gel electrophoresis
Term
DNA is mixed with DNA polymerase (enzyme) and nucleotides which allow the DNA to replicate; can be used to replicate DNA in fossils and artifacts, for medical purposes, and DNA found at a crime scene
Definition
Polymerase Chain Reaction (PCR)
Term
consists of the entire genetic makeup of an individual
Definition
human genome
Term
any change in the proportions of different genotypes from one generation to the next
Definition
evolution
Term
individuals that can potentially interbreed with one another to produce offspring that can also reproduce
Definition
species
Term
the unequal survival and reproduction of organisms due to environmental forces-results in the preservation of favorable adaptations
Definition
Natural selection
Term
measure of reproductive success: the ___ individuals are those that leave the most descendants
Definition
fitness
Term
study of the physical forms that organisms take
Definition
morphology
Term
features that are the same in structure because of inheritance
Definition
Homologous Features
Term
study of how organisms develop from fertilization to birth
Definition
embryology
Term
study of how organisms develop from fertilization to birth
Definition
embryology
Term
all the alleles that exist in a population
Definition
gene pool
Term
change in allele frequencies over time
Definition
microevolution
Term
Mutations, Gene flow, Genetic drift, Nonrandom mating, Natural Selection
Definition
5 Agents of Microevolution
Term
permanent alteration in an organism's DNA
Definition
mutation
Term
movement of genes from one population to another; occurs through migration
Definition
Gene flow
Term
the chance alteration of allele frequencies in a population; Bottleneck effect; Founder effect
Definition
Genetic drift
Term
change in allele frequency due to chance during a sharp reduction in a population size
Definition
Bottleneck Effect
Term
when a small subpopulation migrates to a new area, and starts a new population
Definition
Founder Effect
Term
mating in which a given member of the population is not equally likely to mate with any other given member
Definition
Nonrandom Mating
Term
the only one of the 5 that consistently works to adapt organisms to their environment, considered the most important agent in having shaped the natural world
Definition
Natural Selection
Term
the study of the interaction of living things with one another and their environment
Definition
Ecology
Term
all the organisms in a given area and the non-living factors with which they interact
Definition
Ecosystem
Term
the variety of living things; includes genetic diversity, species diversity, and ecosystem diversity
Definition
Biodiversity
Term
Atmosphere, Hydrosphere, Lithosphere
Definition
Biosphere
Term
water
Definition
hydrosphere
Term
earth and rocks
Definition
lithosphere
Term
patterns of weather that prevail over years or centuries
Definition
climate
Term
Life requires
Definition
Nutrients, Energy, Water and Appropriate temperatures
Term
light supports photosynthesis
Definition
photic zone
Term
greatest flow of nutrients, greatest biodiversity, photic zone
Definition
Intertidal and nearshore zones
Term
Intertidal and nearshore zones, open ocean, deep ocean
Definition
Marine Environment
Term
most life is in the upper photic zone; life forms are pelagic
Definition
open ocean
Term
free swimming or floating
Definition
pelagic
Term
aphotic zone
Definition
deep ocean
Term
only energy comes from organisms that swim here, the remains or products of organisms that drift down from up above, or hydrothermal vents
Definition
aphotic zone
Term
large land areas with similar environmental conditions and characteristic plant communities
Definition
biomes
Term
high temperatures, high rainfall, high biodiversity, greatest species diversity of any biome
Definition
Tropical Rainforests
Term
little rainfall, grasses and small shrubs, large mammals
Definition
savannas
Term
low rainfall, vegetation (if present) is scattered, plants and animals adapted to conserve water
Definition
Deserts
Term
higher rainfall than a desert, but lower than a forest
Definition
Grasslands
Term
higher rainfall, dominated by trees
Definition
Temperate forests
Term
low rainfall, cold temperatures, slow growing vegetation, fragile
Definition
Tundra
Term
species whose influence on a community is greater than its abundance would suggest
Definition
Keystone species
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