Since there are no genes coding for carbohydrates, nucleic acids, or lipids, how do cells produce them?
What will be an ideal response?
Enzymes encoded by genes synthesize these products.
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What is another name for the polymers of carbohydrates?
A. Triglycerides B. Nucleotides C. Polypeptides D. Polysaccharides
Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and
D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what genotype(s) result in a white mouse (no pigment)?
a. BBdd only b. Bbdd only c. bbDD only d. bbDd only e. BBdd and Bbdd
On the Pacific island of Guam, large herbivorous bats called "flying foxes" commonly feed on cycad seeds, a potent source of neurotoxins. The flying foxes do not visit male cones. Consequently, what should be true?
A) The flying foxes are attracted to cycad fruit and eat the enclosed seeds only by accident. B) Flying foxes are highly susceptible to the effects of the neurotoxins. C) The flying foxes assist the beetles as important pollinating agents of the cycads. D) Flying foxes can be dispersal agents of cycad seeds if the seeds sometimes get swallowed whole (in other words, without getting chewed).
What population is NOT at risk for a zinc deficiency?
a. vegetarians b. alcoholics c. elderly d. individuals eating a diet high in meat