What is the best term for an RNA molecule that possesses catalytic activity?
A. ribozyme
B. ribosomal RNA
C. RNase
D. enzyme
Ans: A. ribozyme
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Damage to sensory receptor cells would most likely result in _____
I) hallucinations II) inaccurate integration of sensory information III) an inability to detect sensory information A) only I B) only II C) only III D) only II and III E) I, II, and III
A relationship between two species in which one species lives in or on the other is
A. predation. B. niche sharing. C. resource partitioning. D. coevolution. E. symbiosis.
Disease in which a person's immune system attacks a person's own cells is known as
A. immunodeficiency diseases. B. autoimmune diseases. C. allergic reactions. D. rejection responses.
Which of the following is an urban, not a rural, sustainability plan?
A. plant multipurpose trees B. plant cover crops C. use integrated pest management D. use green roofs E. use low-flow or trickle irrigation