Shared Flashcard Set

Details

final
final
114
Biology
Not Applicable
12/06/2006

Additional Biology Flashcards

 


 

Cards

Term
________________ takes place in the mitochondria
Definition
Aerobic Respiration
Term
5 steps of scientific method
Definition
observation, question, hypothesis, experiment, conclusion
Term
describe seven characteristics exbibited by all living things
Definition
organized into cells, assimilates and uses energy, homeostasis, responds to the environment, reproduction, growth and development, evolutionary adaptation
Term
the molecule of heredity is
Definition
DNA[image]
Term
4 KINGDOMS OF THE DOMAIN EUKARYA
Definition
PROTISTA, FUNGI, PLANTAE, ANIMALIA
Term
The _______ is the smallest unit of life
Definition
Cell
Term
Organelle that carries out photosynthesis
Definition
chloroplasts
Term
A cell that is ____________ has no nucleus or membrane bound organelles/
Definition
Prokaryotic
Term
A cell that is __________________ has a nucleus and membrane bound organelles
Definition
Eukaryotic
Term
The ____________ is found outside the plasma membrane in plants, bacteria, fungi,and some protists
Definition
cell wall
Term
The ________________ refers to all the chromosomes and their associated proteins
Definition
chromatin
Term
Name the three things that happen in the chloroplasts
Definition
-capture sunlight
-ATP formed
-organic compounds form
Term
The "powerhouse of the cell" is the ______
Definition
mitochondria
Term
Membrane bound recyclers that digest old or defective organelles are
Definition
lysosomes
Term
Name three things that all cells have
Definition
-plasma membrane
-DNA containing region
-cytosol
Term
The membranous network of channels that is continuous with the nuclear envelope is the
Definition
Endoplasmic Reticulum+
Term
These non-membrane bound organelles are important in protein synthesis:
Definition
Ribosomes
Term
This processes and distributes proteins
Definition
Golgi Complex
Term
Element
Definition
can't be broken down into other substances by ordinary chemical means, occupies space and has mass, composed of one kind of atom.
Term
atom
Definition
smallest unit of an element
Term
to find # of electrons
Definition
mass # MINUS the protons
Term
CHEMICAL BONDS
Definition
UNIONS BETWEEN ELECTRON STRUCTURES OF ATOMS
Term
COMPOUND
Definition
2 OR MORE ELEMENTS IN PROPORTIONS THAT NEVER VARY

EXAMPLE: WATER
Term
IONIC BOND
Definition
ASSOCIATION BETWEEN IONS OF OPPOSITE CHARGE

EX: SALT -NA+ Cl-
Term
COVALENT BOND
Definition
WHEN 2 ATOMS SHARE ELECTRONS, ATOMS ATTRACT ELECTRONS, BUT NOT ENOUGH TO PULL OUT OF VALENCE SHELL
1. STRONG
2. DIRECTIONAL - ONE DIRECTION
Term
HYDROGEN BOND
Definition
WEAK CHARGE ATTRACTIONS BETWEEN POLAR MOLECULES

WEAKEST.
Term
5 PROPERTIES OF WATER
Definition
GOOD SOLVENT - DISSOLVES EASILY
HIGH SPECIFIC HEAT- TEMP STABILIZING
HIGH HEAT VAPORATION-
ICE FLOATS- SOLID FORM IS LESS DENSE
HIGH COHESION- SUPPORTS DENSE OBJECTS
Term
ACID
Definition
SUBSTANCE THAT RELEASES H WHEN RELEASED IN WATER; MORE H THAN OH

EX. LEMON JUICE
Term
base
Definition
SUBSTANCE THAT COMBINES W/H IONS, LESS H THAN OH

7 IS NUETRAL
Term
STRUCTURE OF ORGANIC COMPOUND
Definition
CARBON BACKBONE, COVALENT BONDS
Term
4 MOLECULES OF LIFE
Definition
CARB, LIPIDS, PROTEINS, NUCLEIC ACID.
Term
ATP
Definition
ADENOSINE TRIPHOSPHATE, UNSTABLE, DELIVERS ENERGY FROM ONE REATIONS SITE TO ANOTHER REACTION SITE, "ENERGY CURRENCY OF THE CELL"
Term
RNA
Definition
RIBONUCLEIC ACID, SINGLE STRAND, CARRIES DNA INSTRUCTIONS FROM THE NUCLEUS TO THE CYTOPLASM WHERE PROTEINS ARE BUILT(TO RIBOSOMES ON ROUGH ER.)
Term
MOVEMENT OF MOLECULES (5)
Definition
DIFFUSION, OSMOSIS, ISOTONIC, HYERTONIC, HYPOTONIC
Term
DIFFUSION
Definition
NET MOVEMENT OF MOLECULES FROM HIGH CONCENTRATION TO LOW. SPONTANEOUS, RANDOM MOTION DOWN THE GRADIENT, EQUILIBRIUM IS REACHED
Term
OSMOSIS
Definition
DIFFUSION OF H2O ACROSS A DIFFERENTIALLY PERMEABLE PLANE
Term
PASSIVE TRANSPORT ACROSS MEMBRANE REQUIRING NO ENERGY
Definition
DIFFUSION,OSMOSIS--NON POLAR AND SMALL POLOR MOLECULES

WATER, O2, CO2
Term
Gregor Mendel
Definition
experimented with garden peas, manipulated breeding of pea plants by intentionally cross breeding plants, papers not discovered until 1900
Term
Homologous Chromosomes
Definition
partner chromosomes. 1 maternal and 1 paternal
Term
CROSSING OVER
Definition
Prophase I of meiosis, exchange of genetic material between nonsister chromatids, leads to recombination
Term
Nondisjunction
Definition
one or more pairs of chromosomes, fail to separate during mitosis or meiosis (largest cause of chromosome changes)
Term
Examples of changes in Chromosome #s
Definition
Downs Syndrome, Turners Syndrome, klinefelter Syndrom, and XYY condition
Term
CYTOSKELETON
Definition
PROTEIN NETWORK FOR SHAPE AND MOVEMENT
Term
CENTRAL VACUOLE
Definition
MAY BE UP TO 98% OF PLANT CELL, MOSTLY WATER BUT CONTAINS NUTRIENTS, WASTE, PIGMENTS
Term
CHEMICAL BONDS
Definition
UNION BETWEEN ELECTRON STRUCTURES OF ATOMS
Term
PLASMA MEMBRANE
Definition
PHOSPHOLIPID BILAYER W/PROTEINS
Term
TYPES OF ENERGY
Definition
KINETIC, POTENTIAL
Term
ENZYMES
Definition
TYPE OF PROTEIN THAT ACCELERATES A CHEMICAL REACTION
Term
SUBATOMIC PARTICLES
Definition
PROTONS, NEUTRONS, ELECTRONS, MOVE RAPIDLY AROUND NUCLEUS
Term
PHOTOSYNTHESIS
Definition
PROCESS WHICH PLANTS TRANSFORM SOLAR ENERGY TO CHEMICAL ENERGY

CO2+H20=CHO
RELEASES OXYGEN, CHLOROPLAST
Term
MEOISIS
Definition
1 CELL-->4CELLS OCCURS IN SEX CELLS; IN HUMANS 46-->23CHROMOSOMES
Term
MITOSIS
Definition
1 CELL -->2 CELLS OCCURS IN ALL BUT SEX CELLS; HUMANS 46-->46 CHROMOSOMES
Term
BINARY FISION
Definition
BACTERIA SEX
Term
CHROMOSOME
Definition
DNA MOLECULE AND PROTEINS PRIEOR TO CELL DIVISION, STRETCH TO DUPLICATE
Term
SHUFFLING OF HOMOLOGUES
Definition
MATERNAL AND PATERNAL HOMOLOGUES ARE SHUFFLED RANDOMLY DURING MEIOSIS-INDEPENDENT ASSORTMENT
Term
FUSION OF GAMETES
Definition
HUMANS HAVE 23 PAIR OF HOMOLOGOUS CHROMOSOMES
Term
MUTATIONS OF DNA
Definition
ONE BASE PAIR SUBSTITUTED W/ANOTHER, EXTRA BASE, MISSING BASE, WRONG PAIRING
Term
TRANSCRIPTION
Definition
DNA SERVES AS TEMPLATE FOR RNA
Term
TRANSLATION
Definition
RNA LOADS INTO RIBOSOME
Term
MRNA, TRNA, RRNA
Definition
MRNA=MESSENGER, TRNA TRANSLATOR, RRNA PART OF RIBOSOME
Term
CODON
Definition
SET OF 3 NUCLEOTIDES CODE FOR AN AMINO ACID
Term
RECOMBINANT DNA
Definition
FROM 2 OR MORE SOURCES, USED FOR GENETIC SURGERY
Term
PCR
Definition
POLYMERASE CHAIN REACTION, USED TO MAKE BILLIONS OF COPIES OF SPECIFIC PORTIONS OF DNA
Term
ELECTROPHORESIS
Definition
SEPERATES FRAGMENTS OF DNA ACCODING TO LENGTH WEIGHED OUT, EXPOSED TO LOW VOLTAGE SMALLER PIECES OF DNA MOVE FASTER
Term
VIRUS
Definition
NON CELLULAR INFECTIOUS AGENT SURROUNDED BY PROTEIN COAT AND CANT REPRODUCE ITSELF.
Term
VIROID
Definition
SHORT STRANDS OF RNA W/O PROTEIN COAT'ENTERS NUCLUEUS OF INFECTED CELLS AND DIRECT SYNTHESIS OF NEW VIROIDS/ RESPONSIBLE FOR PLANT DISEASE
Term
PRION
Definition
PROTEIN MUTATED FORM ACTS AS INFECTOUS AGENT THAT CAUSES DISEASES INCLUDING MAD COW AND SCRAPIE
Term
BACTERIA
Definition
EARLIEST LIVING ORGANISMS 4.5 BYA
Term
3 SHAPES BACTERIA
Definition
BACILLUS, SPIRILLA, COCCUS
Term
BACTERIA HUMAN INTERACTIONS
Definition
GOOD GUYS-RHIZOBIUM, LACTOBACILLUS, ESCHERICHIA COLI

BAD- STREP, RHEUMATIC FEVER, TUBERCULOSIS, E COLI, ANTHRAX, LIME DISEASE
Term
PLANT LIKE PROTISTS
Definition
DIATOMS, DINOFLAGELETTES
Term
ANIMALS LIKE PROTISTS
Definition
AFRICAN SLEEPING SICKNESS, GIARDIA, FORAMS, MILARIA
Term
FUNGUS LIKE PROTISTS
Definition
ATHLETES FOOT, RINGWORMS, LICHENS
Term
WHAT DOMAIN IS KIGDOM ANIMALIA IN
Definition
DOMAIN EUKARYA
Term
CHARACTERISTICS OF AN ANIMAL
Definition
MULTICELLULAR, HETERTROPHIC(MOST), AEROBIC(MOST)
MOVEMENT: MOTILE AT SOME POINT
REPRODUCE SEXUALLY-GAMETES ARE HAPBID; EGGS LARGER THAN SPERM
6 EMBRYONIC DEVELOPMENT PERIOD
Term
numbers
Definition
36 phyla, 2 million species (1.95 invertebrates)
kingdom->phylum->class->order->family->genus->species
on land 3 phyla dominate mollusca, arthropoda, chordata
Term
evolutionary trends
Definition
a symmetry->redial symmetry->bilateral
Term
cephalization
Definition
having a definite head end
1st seen in platyhelminthes
Term
multicellutarity
Definition
1st seen in protista
Term
body cavity
Definition
appearance of a body cavity between body wall and gut
Term
coelum
Definition
body cavity in whch digestive yract and other internal oprgans are suspended
Term
germ
Definition
(tissue) layers
O->2->3 germ layers in embryo
Term
phylum prorifera
Definition
about 8000 species
mostly marine (about 100 in fw)
asymmetry, no true organsor tissues, filter feeders
asexual ans sexual reproducers
Term
phylum crideria
Definition
about 11000 species
jelly fish, corals, anemones
radial symmetry, mostly marine(50 in fw), 2 tissue layers, ectoderm, endoderm with mesoglea in between
Term
medusa
Definition
free-living, floats on water
Term
polye
Definition
sessile: tube like body with tentacle fringed mouth
Term
cnidocytes
Definition
specialized stinging cells with toxins; used for prey capture and defense
Term
coral
Definition
calcium carbonate skeleton; symbiotic algae in tissues to carry out photosynthesis
Term
portuguese man-o-war
Definition
colony with teams to engage in prey, reproduction, and defense
Term
phylum platyhelminthes
Definition
15k species
flat worms(include flukes, tapeworms)
Term
characteristics of phylum platyhelminthes
Definition
bilateral symetry, cephalized, digestion: gastro vascular cavity
reproduction: both asexual and sexual (hermaphroditic male and female organs in same worm)
lifestyle: free living or parasitic
Term
phylum annelida
Definition
15k species
segmented worms
leeches, earthworms, polychactes
Term
characteristics of phylum annelida
Definition
bilateral symmetry,complete digestive tract (mouth & anus), true coelum: body cavity completely lined with mesoderm
internal & external segmentation
closed circulstion (in most)
Term
characteristics of phylum mollusca (110k species)
Definition
bilateral symmetry, shell or calcium carbonate(or remnant), coelum, complete digestive tract, gills for respiration, mantle: fleshy covering of organs
3 classes
Term
phylum mollusca- class gastropoda
Definition
stomach footed, tadula=toothed tongue for food gathering includes-snails, slugs nudibranchs
Term
phylum mollusca
class Bivalvia
Definition
"2 valves" scallops, oysters, clams, mussels
muscular foot for burrowing, filter feeders.
Term
mollusca/class cephalopoda
Definition
head footed
squids, octupus, cuttlefish, nautilus
predatory, marine, feet=tentacles, beak like jaws, closed circulatory system, seperate sexes, nervous system, complex eyes, can learn
Term
PHYLUM NEMATODA
Definition
ROUNDWORMS/ BILATERAL, CEPHALIZED, COMPLETE DIGESTIVE SYSTEM, PSUEDOCOELUM, FREE LIVING OR SAND

PARASITIC TRICHINELLA OR HOOKWORMS
Term
PHYLUM ARTHROPODA
Definition
INSECTS, ARACHNIDS, CRUSTACEANS
COELOM, COMPLETE DIGESTIVE, JOINTED APPENDAGES, EXOSKELETON FOR MUSCLE ATTACHMENT AND PROTECTION, PREVENTS WATER LOSS, PROVIDES SUPPORT
Term
SUPER CLASS INSECTA
Definition
DRAGONFLIES, TERMITES, ROACHES , ADAPTED TO LAND ONLY INVERTABRATES W/WINGS
Term
PHYLUM ECHINODERMATA
(SPINY SKIN)
Definition
SEA STARS, SAND DOLLARS, SEA CUCUMBERS, URCHINS
ENDOSKELETON COMPOSED OF CALCIUM CARBONATE, NO BRAIN, COELOM, COMPLETE DIGETIVE TRACT, WATER VASCULAR SYSTEM W/TUBE FEET
Term
PHYLUM CHORDATA
Definition
NOTOCHORD, NERVE CHORD, PHARYNGEAL GILL SLITS, POST ANAL TAIL
Term
3 SUBPHYLUM OF CHORDATA
Definition
TUNICATES, LANCELETS, VERTEBRATA
Term
PHYLUM CHORDATA/CLASS AGNATHA
"JAWLESS FISH"
Definition
HAG FISH, LAMPREYS, SHAPED LIKE EELS WITH SKELETONS OF CARTILAGE
Term
CONDRICHTHYES(CHORDATA)
Definition
SHARKS, SKATES, RAYS, CARTILAGINOUS FISH, MOSTLY MARINE, GILLS, 2 CHAMBERED HEART, ELECTRIC, VENOMOUS, TEETH ARE ACTUALLY MODIFIED SCALES
Term
OSTEICHTHYES(CHORDATA)
BONY FISHES
Definition
MOST DIVERSE OF VERTABRATES
SWIM BLADDER, FIRST TO MOVE TO LAND(LUNG FISH)
Term
AMPHIBIA
"DOUBLE LIFE"
Definition
BETWEEN FISH & REPTILES
3 CHAMBERED HEART, LUNGS REPLACE GILLS, BONY ENDOSKELETON, 4 LEGS, MUST LAY EGGS IN MOIST PLACE
Term
REPTILIA
Definition
DINOSAURS, SNAKES CROCS, GATORS, TURTLES, LIZARDS
TOUGH SCALY SKIN, KIDNEYS TO CONSERVE WATER,
Term
AVES (CHORDATA)
Definition
BIRDS
FEATHERS DERIVED FROM SKIN, FLIGHT AND INSULATION, WARM BLOODED, 4 CHAMBER HEART
Term
MAMMALIA (CHORDATA)
Definition
BATS TO WHALES
NURSE YOUNG, HAIR, DENTITION, WARM BLOODED
Term
ADAPTATIONS FOR LIFE ON LAND
Definition
OBTAINING 02, DIFFUSION
GILLS, TRACHEAE, LUNGS-BIRDS ARE MOST EFFICIENT
Term
BETTER HEARTS
Definition
FISH-2 CHAMBERS, AMPHIBIONS- 3 BLOOD MIXES, REPTILES 3 NOT MUCH MIXING, MAMMALS BIRDS CROCS-4 CHAMBERS, SEPTUM NO MIXING
Term
RETAINING WATER
Definition
KIDNEYS-FIRST SEEN IN FW FISH
FW FISH SALTIER THAN THE ENVIRONMENT, DRINK LITTLE PEE ALOT
SW FISH LESS SALTY DRINK ALOT PEE LITTLE
BIRDS & MAMMALS REMOVE WATER FROM URINE TO CONSERVE
Term
7 classes in CHORDATA
Definition
AGNATHA, CHONDRICHTHYES, OSTEICHTHYES, AMPHIBIA, REPTILIA, AVES, MAMMALIA
Supporting users have an ad free experience!