Ques: Q: What is it called when a gene at one location (locus) alters the phenotypic expression of a gene at another locus? Choices: - exogenous - epigenesis - spontaneous mutation - epistasis A:
Ans: epistasis

Ques: Q: What bond is the force of attraction that holds together positive and negative ions? Choices: - Protonic - Electric - magnetic - ionic A:
Ans: ionic

Ques: Q: What is the only light that humans can see? Choices: - dark light - distinct light - bright light - visible light A:
Ans: visible light

Ques: Q: The end of the phospholipid molecule that is polar and attracts water is called what? Choices: - cytosolic - hydrophobic - magnetic - hydrophilic A:
Ans:
hydrophilic