Q: What branch of biology focuses on heredity? Choices: - botany - cell biology - zoology - genetics A:
genetics

(Question)
Q: Biochemical reactions are optimal at physiological temperatures because many what lose function at lower and higher temperatures? Choices: - hormones - carbohydrates - neurons - enzymes A:
(Answer)
enzymes

Ques: Q: The tyndall effect refers to the scattering of what by colloidal particles? Choices: - primary colors - dark matter - dust mites - visible light A:
Ans: visible light

(Q).
Q: What force is responsible for erosion by flowing water and glaciers? Choices: - kinetic - electromagnetic - weight - gravity A:
(A).
gravity

Ques:Q: Catabolism and anabolism are the two types of what? Choices: - heart rate - cells - calcium - metabolism A:

Ans:metabolism

Q: Sexually reproducing organisms alternate between which stages? Choices: - binary and diploid - binary and haploid - diploid and traploid - haploid and diploid A:
haploid and diploid