Q: Why do crystals have relatively sharp and well-defined melting points? Choices: - particular intermolecular forces - variable intermolecular forces - angular intermolecular forces - uniform intermolecular forces A:
uniform intermolecular forces

(Question)
Q: What is the function of chloroplasts that are found in plant and algal cells? Choices: - mitosis - spermatogenesis - glycolysis - photosynthesis A:
(Answer)
photosynthesis

Ques: Q: Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow. several protist species are parasites that infect animals or plants. a few protist species live on dead organisms or their wastes, and contribute to what? Choices: - greenhouse gas - habitat loss - spontaneous mutation - their decay A:
Ans: their decay

(Q).
Q: For most waves, energy is proportional to what, a term that describes the height of the wave? Choices: - wave frequency - wave volume - wave threshold - wave amplitude A:
(A).
wave amplitude

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

Q: The force exerted by a diving board is conservative, provided the internal friction is this? Choices: - static - intrinsic - significant - negligible A:
negligible