Which of the following groups anchors proteins to the outer surface of the plasma membrane?
a. Myristate
b. Farnesyl
c. Palmitate
d. Glycolipid
Ans: d. Glycolipid
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When Mendel crossed true-breeding yellow seed plants with true-breeding green seed plants, the offspring were phenotypically:
A. yellow seed. B. green seed. C. a mixture of yellow and green seed. D. made up of a combination of yellow and green alleles.
What endogenous process helps plants to keep their movements and other responses synchronized with the environment?
A. purine monitoring B. solar tracking C. a circadian clock D. auxin cycling E. gravitropism
Which of the following types of cells might have the longest/slowest cell cycle?
a. nerve cell b. skin cell c. cell lining the gut d. hair cell
What environmental factor can lactation periods be affected by?
a. Temperature of habitat b. Predator numbers c. Amount of other pinnipeds when lactating d. Available nutrients