A purine or pyrimidine that is attached to a sugar, either ribose or deoxyribose, which is attached to one or more phosphate groups is called a ________.
A. nitrogenous base
B. nucleotide
C. nucleoside
D. nucleic acid
Answer: B
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Hydrogen bonds play a major role in____
A. primary structure of protein B. alpha-helical structure of protein C. formation of disulfide bridges D. formation of double helix structure E. protein function A. A, B, D, and E B. All of these C. A and B D. A and C E. B, D, and E
What part of a nerve cell houses the nucleus?
What will be an ideal response?
In the figure above, at which of the numbered regions would you expect to find cells at metaphase?
A) I and IV B) II only C) III only D) IV only E) V only
During exposure to elevated glucose, a yeast cell's membrane glucose transporters will rapidly increase so the cell can import glucose. Which would represent the yeast cell response?
A. increased membrane glucose transporters B. increased membrane glucose receptors C. increased glucose transport into the cell D. both increased membrane glucose transporters and glucose receptors E. both increased membrane glucose transporters and glucose transport into the cell