Oxygen has a negative influence on the formation of complex organic molecules because it ________ with them and changes their structure
Fill in the blank(s) with correct word
reacts
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If you placed a red blood cell in a hypotonic solution, you would predict that its volume would ____ while the solute concentration in its cytoplasm would ____.
A. increase, increase B. increase, decrease C. decrease, increase D. decrease, decrease E. decrease, not change
RNA polymerase II differs from RNA polymerase I and III by having
A) fewer amino acids at the N-terminus. B) additional amino acids at the N-terminus. C) fewer amino acids at the C-terminus. D) additional amino acids at the C-terminus. E) individual amino acids, but all three RNA polymerases are the same size.
A human egg is approximately 100 µm in size. What is this equal to?
a. 10.0 mm b. 0.10 mm c. 0.010 mm d. 0.0010 mm
What happens when an action potential arrives at an axon terminal?
A. Membrane voltages stimulate the axon. B. Sodium ions are pumped out of the cell. C. A neurotransmitter builds up so it can be used again. D. The action potential causes an influx of phosphorous ions. E. Chemicals relay the message at a synapse.