What is what are the Intertidal zones in a Marine Ecosystem ?
100
a double helix
What is the shape of DNA
200
They translate the information encoded in messenger RNA (mRNA) into a polypeptide
Define Ribosomes.
200
A joint change of two species that interact with each other.
What is coevolution?
200
a group of interdependent organisms inhabiting the same region and interacting with each other
What is community?
200
In symbiosis, at least one member of the pair benefits from the relationship their for......
injured ( = parasitism)
relatively unaffected ( = commensalism)
may also benefit ( = mutualism)
Explain what symbiosis?
200
the nuclues
Where is Dna stored
300
plastids
a cell wall
large vacuoles
Chlorophyll
Photosynthesis
What is the difference between plants and animal cells?
300
all of the alleles that are present in a population
What is gene pool?
300
a thin membrane around the cytoplasm of a cell; controls passage of substances in and out of the cell
What is the cell membrane?
300
food chain
What is this........
Grass
→ Grasshopper
→ Toad
→ Snake
→ Hawk
→ Bacteria of decay
300
A always pairs with T and C always pairs with G
In double stranded DNA how do the four bases (C,A,T,G) pair up with each other
400
Glycolysis is the anaerobic catabolism of glucose
What is Glycolysis?
400
favors one extreme variation of a trait.
What is directional selection?
400
diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal
Telomeres are crucial to the life of the cell. They keep the ends of the various chromosomes in the cell from accidentally becoming attached to each other
What is a Telomere?
500
Had the idea that all things are related.
Who is Darwin?
500
a natural process resulting in the evolution of organisms best adapted to the environment
What is natural selection?
500
Ozone is made when a electric spark passes through air, and this accounts for the characteristic odor give off by some electrical motors
What is the Ozone?
500
Three bases of an mRNA molecule that code for a specific amino acid