Nuclear pore complexes allow RNA transcripts
to pass to the cytoplasm only when the
transcripts
a. are bound to specific proteins.
b. are small enough.
c. are attached to fat soluble molecules.
d. contain specific introns.
e. are attached to ribosome subunits
manufactured in the nucleus
A
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Which mechanism is used to encourage the movement of water over gills?
a. beating of cilia b. contraction of the diaphragm c. relaxation of a muscular mantle d. a fish swimming with its mouth closed e. relaxation of body muscles
Imagine you are tracing the history of biological evolution. Arrange the following historical figures in
order of when their contribution influenced thoughts on the subject (directly or indirectly). Write the letter of the earliest next to 1, the letter of the most recent next to 8.
A. Lamarck B. Wallace C. Futuyma D. Mendel E. Buffon F. Aristotle G. Lyell H. Malthus 1. 2. 3. 4. 5. 6. 7. 8.
Mycorrhizae, present for most plant species, generally help roots with the uptake of all EXCEPT
a. water. b. nitrogen. c. phosphate. d. carbon. e. sugars.
Which type of receptor detects the location of limbs, head, and other body parts?
A. proprioceptor B. mechanoreceptor C. pain receptor D. chemoreceptor E. electroreceptor