Ques: Q: How many chromosomes are in each set? Choices: - 22 - 21 - 13 - 23 A:
Ans: 23

Ques: Q: What do the gonadotropins regulate? Choices: - temperature - epigenesis - mitosis - gametogenesis A:
Ans: gametogenesis

Ques: Q: What specific part of the brain regulates the endocrine system? Choices: - parietal lobe - hippocampus - frontal lobe - hypothalamus A:
Ans: hypothalamus

Ques: Q: Before the atmosphere became oxygenated, the planet was subjected to what harmful energy source, meaning the first organisms would have flourished where they were more protected? Choices: - evaporation - conduction - convection - radiation A:
Ans:
radiation