Which site on the ribosome does the new tRNA bring an amino acid to?
A. E
B. A
C. P
D. C
Answer: B
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Match the following items with the correct phrases.
_______1. A decreased number of white blood cells in the peripheral bloodstream. _______2. Increase in the diameter of blood vessels; an initial event in inflammation. _______3. An increased number of white blood cells in the peripheral bloodstream. _______4. Considered to be the first phase of phagocytosis; the means by which phagocytic cells are attracted to sites where they are needed. a. chemotaxis b. leukocidin c. leukocytosis d. leukopenia e. vasodilation
Answer the question by using the accompanying graph. If all three enzymes catalyze the same reaction and your
experimental conditions require a pH of 8, which enzyme would you choose?
a. enzyme 1 b. enzyme 2 c. enzyme 3 d. either enzyme 2 or 3 e. both enzymes 2 and 3
The type of connection between the atoms at the point labeled 1 in Figure 3-3 is:
a. a peptide bond. b. a glycoside linkage. c. a disulfide bond. d. a phosphodiester linkage. e. a hydrogen bond.
Several common protein structural motifs are now known to be involved in DNA recognition and binding. What are these, and how would researchers use genomic data to help figure out if new candidate genes encode such DNA-binding proteins?
What will be an ideal response?