Q: The number of protons in an atom is called what? Choices: - mass number - metallic number - isotope - atomic number A:
atomic number

(Question)
Q: What type of reproduction occurs in almost all fungi? Choices: - fragmentation - budding - asexual - sexual A:
(Answer)
sexual

Ques: Q: During which phase do sister chromatids separate and the centromeres divide? Choices: - cell phase - gap cycle - passivation - anaphase A:
Ans: anaphase

(Q).
Q: What do organisms need to speed up biochemical reactions? Choices: - genes - carbohydrates - hormones - enzymes A:
(A).
enzymes

Ques:Q: Although it is not vital to humans, calcitonin is important for calcium homeostasis in adults of some species in what group characterized by backbones? Choices: - mammals - reptiles - invertebrates - vertebrates A:

Ans:vertebrates

Q: What causes reduction of elasticity in all organs? Choices: - low vitamin D - radiation - weight gain - age A:
age