Which of the following secondary structures may be a DNA-binding domain?
A) Zinc finger
B) Leucine zipper
C) Helix-turn-helix
D) A and B only
E) A, B, and C
E
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Any mutation that increases the risk of disease in an individual is known as a ____ for that disease
Fill in the blank with the appropriate word.
Referring to Figure 10.17 if necessary, identify which type of cell-cell interaction is most likely to force the products of digestion to be absorbed across microvilli of intestinal cells rather than allowing them to leak between cells
A. gap junctions B. tight junctions C. plasmodesmata D. hemidesmosomes E. desmosomes
What part does carbon play in the structure of
biological molecules?
a. carbon forms their backbone b. carbon provides polarity c. carbon makes it easier for them to be digested d. carbon forms a bridge between two monomers e. carbon plays no role whatsoever in the structure of biological molecules
A chemical that inhibits beta-lactamase enzymes is
A. imipenem. B. aztreonam. C. clavulanic acid. D. synercid. E. penicillinase.