"GG" genotype is considered: *

A - True Breed
B - Hybrid
C - Homozygous
D - Heterozygous
Both A & B
Both A & C
Both B & C
Both B & D
None of the above

The first amino acid of a new polypeptide chain is

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -