Definitions Flashcards
Abiotic factors
The non-living conditions in a habitat
Activation energy
The energy required to initiate a reaction
Active Site
Area of an enzyme with a shape complimentary to a specific substate, allowing the enzyme to bind to a substate with specificity
Active transport
Movement of particles across a plasma membrane against a concentration gradient. Active process
Adenosine Diphosphate
ADP
a nucleotide composed of a nitrogenous base (adenine), a pentose sugar and three phosphate groups. The universal energy current for cells
Alcoholic fermentation
fermentation that results in the production of ethanol.
allele
version of a gene
allele frequency
the relative frequency of a particular allele in a population at a given time
alleles
different versions of the same gene
amino acids
the monomer used to build polypeptides and thus proteins
