List the stages in the eukaryotic cell cycle and identify the principal events characteristic of each stage. What will be an ideal response?
The cell cycle consists of Interphase (consisting of the G1, S, and G2 phases) and the M phase
(consisting of mitosis and cytokinesis). In the G1 phase, the cell makes preparations to duplicate the
DNA, in the S phase the DNA is duplicated, and in the G2 phase the cell prepares to divide the
chromosomes. In the M phase the chromosomes are divided, and in cytokinesis the cytoplasm is
divided.
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During translation, translocation refers to
A. releasing a tRNA molecule from the ribosome. B. joining an amino acid to a tRNA molecule. C. joining an amino acid to the next amino acid in the chain. D. joining a tRNA molecule to the ribosome. E. moving the ribosome along the mRNA molecule.
Barbituates and benzodiazpine drugs bind to GABA receptors to open chloride channels, inhibit neural
impulse, and induce tranquility. __________________ Indicate whether the statement is true or false.
What advantage does BrdU (bromodeoxyuridine) have in the study of chromosome structure and recombination?
What will be an ideal response?
Which of the following statements about NAD+ is false?
A) NAD+ is reduced to NADH during both glycolysis and the citric acid cycle. B) NAD+ has more chemical energy than NADH. C) NAD+ is reduced by the action of dehydrogenases. D) NAD+ can receive electrons for use in oxidative phosphorylation. E) In the absence of NAD+, glycolysis cannot function.