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51 Cards in this Set

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  • Back
Cancer
A mutation Where multiplying cells occurs rapidly
Control Variable
The constant that other variable are measured against
Independent Variable
The condition which the experimenter has control over (graphed on x)
Dependent Variables
What is being tested or measured in the experiment (graphed on y axis)
What does biology mean
The study of life
The scientific meathod
-Observation
-develop a question
-hypothesis
-experiment
-data
-conclusion
Autotrophs or producers
Make their own food
It is important to test only for one variable because....
It is harder to find correlations when testing for other things
Consumer
Organisms that eat other organisms
Herbivore or primary consumer
consumer that eats an autotroph
Conover or secondary concumer
A consumer eats an autotroph
omnivore
An organism eats both autotrophs and consumers
Detrovers or decomposers
organisms that break down wast and dead organisms
How much energy is passed from the sun to the producer and what is the rest given off as
10% is passed on and the rest is given off as heat
Carrying capacity
The max number of individuals that all environment can support
Levels of organization
Universe
Galaxies
solar system
earth
biosphere
biomes
ecosystems
communities
population
organisms
organs
Tissues
cells
Protoplasm
molecules
atoms
What are organisms
An individual animal plant or single celled life form
Populations are....
Individuals
Ecosystems are...
Communities
Groups of ecosystems make ....
Biome
When you put all the biomes together you get a....
Biosphere
Commensalism
One organism is benefited and the other is neither affected nor helped
Mutualism
Both organisms benifit
Predation
predator/prey Relationship
parasitism
one organism benefits and the other is harmed
what is the order of the trophic levels
tertiary consumer
secondary consumer
primary consumer
Producers
What is the greatest amount of energy found in the tropic level
Producer level
List the 4 biomolecules
Carbohydrates-provides energy
protein
nucleic acid
lipid-fats
Cell Theory
well established and reliable. they have been examined by multiple researches. the subject to change when new evidence is consistent with the theory and thus have change over time
Some Scientific theories are..
-All life forms are made from one or more cells
-cells only arise from pre-existing
-the cell is the smallest form of cells life
-Arise from pre existing existing cells
Prokaryote
Locks a Nucleus
Eukaryote
Has a nucleus
Multicellular
Has many cells
Unicellular
Made of one cell
How are cells Classifyed
By arranging them into groups
Isotonic
causes the cell to remain the same size
Hypotonic
Causes the cell to swell
Hypertonic
causes cells to shrink
DNA is made of...
Nucleotides
What are the 4 possible Nitrogen bases?
Adenine, Guanine, Cytosine, Thymine
What is DNA Cell made of?
Phosphate group
sugar
base
What occurs during the M Phase of the cell cycle and what is it called?
DNA copies
Regenerates itself
DNA Replication
What are the stages that a cell goes through during it's lifeline?
G1 G0
S
G2
M
What are the 4 stages of mitosis?
Prophase metaphase
anaphase telophase
What is the purpose of Mitosis?
Insure that new nucleotide has the correct amount of DNA
What do the daughter cells result in?
Identical Genes
Where does protein synthesis begin?
In the nucleus
The MRNA leaves the nucleus and travels to the ___
Ribosome
What happens in the Ribosomes?
Protein synthesis takes places
What does protein synthesis involve?
Translating MRNA to protein Introns are pulled out and electrons are stitched together
What is the end result of protein synthesis?
Protein