There are two cellular domains: the ____________________ and the ____________________. Fill in the blank(s) with the appropriate word(s)
ANSWER: plasma membrane; cytoplasm
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All animal cells are diploid except
A. gametes. B. muscle cells. C. nerve cells. D. germ-line cells. E. somatic cells.
Humans are susceptible to scurvy because
A. they cannot synthesize amino acids. B. they do not have enough adipose tissue for vitamin A storage. C. they cannot synthesize vitamin C. D. they have a high incidence of fruit allergies. E. constant seasickness and nausea on long voyages leads to weakness and anemia.
All of the members of the same species occupying the same area at the same time constitute a(n):
a. individual b. population c. community d. ecosystem e. biosphere
A dominant allele is found in a population with a frequency of 0.8. As the environment begins to change, the dominant allele is not favored. Scientists find that the frequency of the dominant allele decreases by half each generation. What are the allele, genotype, and phenotype frequencies before and one generation after the population begins to change? Is Hardy-Weinberg equilibrium maintained?
What will be an ideal response?