A species is a group of organisms that 

A. can produce fertile offspring when mated.
B. all live in the same geographic region.
C. always look the same in size and color.
D. All of these answers are true.


A. can produce fertile offspring when mated.

Biology & Microbiology

You might also like to view...

Hexokinase is an enzyme that binds specifically to glucose and converts it into glucose 6-phosphate. The activity of hexokinase is suppressed by glucose 6-phosphate, which binds to hexokinase at a location that is distinct from the active site. This is an example of

A. feedback inhibition. B. competitive inhibition. C. cofactor binding. D. allosteric activation.

Biology & Microbiology

Intercalated discs

A) are characteristic of smooth muscle cells. B) contain gap junctions that allow the signal to spread quickly through cardiac muscle cells. C) support fast-twitch fibers of skeletal muscle. D) stimulate pacemaker cells in cardiac muscle. E) stimulate the contraction of skeletal muscle.

Biology & Microbiology

Which term from the Hardy-Weinberg equilibrium represents the frequency of the homozygous dominant genotype?

a. pq b. p 2 c. 2pq d. q 2

Biology & Microbiology

An experiment during which two heterozygous F1 individuals are bred and produce two different phenotypes for a single trait is termed a ___________.

A. Punnett square B. Ctrihybrid cross C. monohybrid cross D. dihybrid cross

Biology & Microbiology