Ecology
An animal that feeds on plants
What is a herbivore?
An organism's genetic makeup
What is a genotype?
Regulates what enters and leaves the cell
What is the cellular membrane?
The first step of protein synthesis?
What is transcription?
Two identical alleles for a gene
What is homozygous?
The primary source of energy for an ecosystem
What is sunlight?
Changes in the frequency of a gene variant in a population
What is genetic drift?
The powerhouse of the cell, it creates ATP
What is the mitochondria?
the enzyme responsible for "unzipping" the DNA double helix during replication
What is DNA Helicase?
The physical expression of a genetic trait
What is a phenotype?
They break down dead organisms and recycle nutrients
What is a decomposer?
A structure seen among different groups from a common ancestor
What is a homologous structure?
The function of ribosomes within the cell
What is protein synthesis?
The RNA molecule that brings amino acids to the ribosome
What is tRNA?
46
What are the number of chromosomes a human has?
The type of relationship a dog has with a tape worm
What is a parasitic relationship?
A structure that is no longer useful to an organism
What is a vestigial structure?
A solution that has more solute than another solution, and thus osmosis will occur in its direction
What is a hypertonic solution?
The direction in which DNA is replicated
What is 5' to 3'?
Traits that are determined by more than one gene
What is a polygenetic trait?
The symbiotic relationship between a tree and a lichen
What is commensalism?
The ability of an organism to survive and reproduce in its environment
What is fitness?
A structure responsible for maintaining the cell's shape and rigidity
What is a cytoskeleton?
Deoxyribose sugar, phosphate group, nitrogen base
What are the three parts of a nucleotide?
A gene interaction where both alleles are expressed.
What is codominance?