Group 1 aquatic macroinvertebrates
(a) require high-quality, unpolluted water.
(b) require polluted water.
(c) are tolerant of a wide range of water quality conditions.
(d) include leeches.
(a) require high-quality, unpolluted water.
You might also like to view...
Messenger RNAs containing premature stop codons are destroyed by the mechanism of
A) nonstop decay. B) directed RNase activity. C) nonsense-mediated decay. D) error-mediated repair. E) none of the above
A new operon is discovered in a bacterium. The control of this operon is affected by a protein that is
made by another gene, and is made in an active form that binds to the DNA near the operon to prevent transcription. This is an example of __________ control. a. positive b. negative c. activational d. repressing e. inducing
What is the function of RNA interference?
What will be an ideal response?
What is the most likely consequence of a mutation that causes sporopollenin to degrade quickly after it is synthesized?
A. a decrease in the number of sperm that can be produced B. a reduction in the ability of pollinators to detect and transfer pollen grains to a stigma C. a decrease in the ability of the pollen grain or spore to open when a suitable location is found D. a reduction in the ability of the integument of an ovule to develop into a seed coat E. a reduction in the ability of pollen and spores to disperse to new areas