The research team used their experiments to study the incorporation of labeled nucleotides into a culture of lymphocytes and found that the lymphocytes incorporated the labeled nucleotide at a significantly higher level after a pathogen was
introduced into the culture. They concluded that _____. A) the presence of the pathogen made the experiments too contaminated to trust the results
B) infection causes lymphocytes to divide more rapidly
C) infection causes cell cultures in general to reproduce more rapidly
D) infection causes lymphocyte cultures to skip some parts of the cell cycle
B
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Host ________ is the process by which some cells are capable of degrading an exogenote.
Fill in the blank(s) with the appropriate word(s).
Which one of the following bacterial translational proteins is not a GTP-binding protein?
A. IF-2 B. EF-Tu C. EF-G D. RF-1
When a peptide bond is created between two amino acids:
a. the carboxyl group of the first amino acid is joined to the carboxyl group of the second. b. the carboxyl group of the first amino acid is joined to the amino group of the second. c. the amino group of the first amino acid is joined to the amino group of the second. d. the amino group of the first amino acid is joined to the carboxyl group of the second.
Enzymes affect the reactions in living cells by changing the
a) products of the reaction b) speed of the reaction c) temperature of the reaction d) pH of the reaction