Compare and contrast DNA Polymerases I, II, and III in E. coli. What capabilities are shared, and which are exclusive to only one type of polymerase?
What will be an ideal response?
None of the polymerases are able to initiate chain synthesis, but all are able to extend an existing fragment in the 5? to 3? direction. All three possess proofreading ability (3? to 5? exonuclease), but only DNA polymerase I possesses primer removal ability (5? to 3? exonuclease).
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Bacterial pneumonia in children is most commonly caused by:
a. M. pneumoniae. b. Chlamydia pneumonia. c. parainfluenza virus. d. Staphylococcus aureus.
The pituitary gland is regulated most directly by the ____
a. pineal gland b. hypothalamus c. pancreas d. adrenal gland e. thyroid gland
As used in mice, if this new technique is approved for use in humans, which of the following would be injected?
a. Neither mRNA nor antibodies b. mRNA c. Antibodies
The fluid portion of the cytoplasm of a cell is the ________
Fill in the blank(s) with correct word