What is the function of the SeqA protein in E. coli?
a. It melts DNA at the origin.
b. It methylates DNA.
c. It triggers a replication cycle.
d. It prevents origins from being remethylated.
e. It polymerizes DNA.
Ans: d
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Define the following terms:
(a) myopia: (b) hyperopia: (c) presbyopia:
When measuring membrane potential, the tip of a microelectrode is inserted into a(n) ____
a. axon b. node of Ranvier c. Schwann cell d. dendrite e. glial cell
What unconsumed macromolecule from dead organisms eventually formed fossil fuels?
What will be an ideal response?
On October 29, Barbara volunteered for a study group for her microbiology class. On October 30, she felt fine. On November 1, Barbara developed a "scratchy throat" when she swallowed. On November 2, Barbara had a headache, runny nose, and watery eyes. She was fully recovered on November 7. During which time was Barbara in the prodromal period?
A) October 30 B) November 1 C) November 2 D) November 7