The HIV virion is best described as a(n)
A. segmented RNA genome in an irregular polyhedron capsid with envelope.
B. unsegmented RNA genome in a helical capsid with an envelope.
C. unsegmented RNA genome in a long flexible helical capsid with envelope.
D. segmented RNA genome in an icosahedral capsid, without envelope.
E. segmented RNA genome in helical capsids and an envelope.
Answer: A
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Specific amino acids are attached to tRNA molecules by
A. aminoacyl-tRNA synthetases. B. hydrogen bonds. C. anticodons. D. deactivating enzymes. E. initiation factors.
Extinction rates on islands are predicted, based on island biogeography, to be lowest
A. on small islands. B. on large islands. C. near islands. D. far islands. E. on large islands and far islands.
The main pollinators of flowers that have markings visible only under ultraviolet light are
A. birds. B. bees. C. beetles. D. flies. E. bats and moths.
You are working on a written assignment for class and want to include reference to a passage from the book about which you are writing. However, you are having difficulty paraphrasing the section. Which of the following is NOT an acceptable course of action?
A. Put the section in direct quotes and cite the source. B. Get help from the UK writing center on paraphrasing. C. Get help from the instructor D. Ask your roommate for his/her perspective on how they would paraphrase it.