To reproduce sexually, bryophytes require

A. insect pollination.
B. solar energy.
C. high temperatures.
D. free water external to the plant.


Answer: D

Biology & Microbiology

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The simplest animals with a closed circulatory system are

A. mollusks. B. amphibians. C. annelids. D. fish. E. reptiles.

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The beta pleated sheet is characterized by orientation of _____ the molecular axis

A) H bonds parallel to B) peptide bonds perpendicular to C) H bonds perpendicular to D) ionic bonds parallel to E) ionic bonds perpendicular to

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Short nucleic acid molecules used to locate complementary sequences in a larger population of molecules are called (probes/primers/vectors)

What will be an ideal response?

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Vectors often contain a gene conferring drug resistance to their cloning host, in order to detect cells harboring the plasmid.

Answer the following statement true (T) or false (F)

Biology & Microbiology