Biochemistry
The scale used to measure alkalinity and acidity of a substance
pH scale
Organelle that is responsible for photosynthesis
Chloroplast
Hormone released by the pancreas to increase blood glucose
Glucagon
A segment of DNA that codes for a specific protein or RNA molecule
Gene
A group of individuals of the same species living in a specific area
Population
The molecule upon which an enzyme acts
Substrate
Energy molecule of the cell
ATP
Part of the nervous system that consists of the brain and spinal cord
Central nervous system
A change in the nucleotide sequence of DNA
Mutation
Number of individuals per unit area
Population density
The bond that links amino acids together
Peptide bond
Type of energy stored in glucose bonds
Chemical potential energy
Endocrine glan
An allele that is expressed only when two copies are present
Recessive allele
Type of symbiotic relationship where one species benefits, while the other is neither helped nor harmed
Commensalism
A covalent molecule that has distinct negative and positive poles
Polar molecule
Chemical reaction involving transfer of electrons from one molecule to another
Redox reaction
Control mechanism that opposes the effect of a stimulus
Process by which a DNA segment is copied into an RNA sequence
Transcription
The role of a species within its ecosystem
Ecological niche
Weak attractions between molecules due transient dipoles
Van der Waals forces
Organisms that can survive in both presence and absence of oxygen
Facultative anaerobe
Part of the brain that usually acts as the control center of homeostatic response
Hypothalamus
What is the complementary strand for the following DNA segment :
5'ATATC3'
3'TATAG5'
Type of population growth that levels off as the population reaches the carrying capacity
Logistic growth