Refer to Figure 52-2. In this sequence of events the bell is serving as:

a. a motor stimulus.
b. the conditioned stimulus.
c. a cognition stimulus.
d. a sign stimulus.
e. the unconditioned stimulus.


B

Biology & Microbiology

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Tendrils are

A. structures in some carnivorous plant leaves that trigger the leaves to close on insects. B. starch-storing specialized roots. C. specialized stems that grow across the ground, and reproduce shoots and roots. D. the central, supporting stalk of a compound leaf. E. specialized stems that coil and provide springy attachment for climbing.

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RNA interference functions by

A) degrading the protein encoded by a specific mRNA. B) degrading the RNA strand that is encoded by the Slicer gene. C) transcribing double-stranded RNA into protein. D) disrupting the chromosomal copy of the gene. E) degrading the RNA complementary to the short, double-stranded RNA.

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The phase of the cell cycle that occupies most of an average cell's life is

A.) G1 B.) Mitosis C.) G2 D.) S

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Contraception (preventing conception) and birth control (preventing live birth) are not quite the same. To which category do "morning-after" pills and mifepristone (RU-486) belong, and why?

What will be an ideal response?

Biology & Microbiology