Which of the following enzymes unwinds the DNA helix during replication in E. coli?

A. primase
B. DNA Pol I
C. gyrase
D. helicase
E. SSB


D

Biology & Microbiology

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Rotifers would be considered __________ feeders

a. bulk b. filter c. liquid d. predatory

Biology & Microbiology

When the head of the fetus presses on the cervix, it triggers a release of which hormone in the mother's body?

a. oxytocin b. GnRH c. progesterone d. prolactin

Biology & Microbiology

If two genes have a lod score of 1.2, this indicates that they are most likely_____

a. disease causing genesb. linked on an autosome c. X-linked d. on separate chromosomes e. in separate genomes

Biology & Microbiology

Thymosin, produced by the thymus, stimulates the maturation of

A) red blood cells. B) both T and B cells. C) B cells. D) all white blood cells. E) T cells.

Biology & Microbiology