To reproduce sexually, bryophytes require
A. insect pollination.
B. solar energy.
C. high temperatures.
D. free water external to the plant.
Answer: D
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The simplest animals with a closed circulatory system are
A. mollusks. B. amphibians. C. annelids. D. fish. E. reptiles.
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
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?
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)