During orgasm, which of the following stimulate

rhythmic contractions of muscles in both males and
females?
a. LH
b. prostaglandins
c. testosterone
d. oxytocin
e. all of these


Answer: d

Biology & Microbiology

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general way of life.

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The letter B” in the above figure represents its

a. shell. b. mantle. c. gills. d. siphon. e. none of these.

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Diagram the life cycle of a pine. What will be an ideal response?

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Technique used to amplify a desired piece of DNA.  

A.  gel electrophoresis B.  RFLP C.  PCR D.  plasmids E.  Northern Blot

Biology & Microbiology