Which of the following muscles contract during forceful exhalation?
a. the diaphragm
b. external intercostals
c. internal intercostals
d. the diaphragm and external intercostals
e. the diaphragm and internal intercostals
C
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Muscle cells are stimulated by neurotransmitters released from the synaptic terminals of _____
A) T tubules B) motor neuron axons C) sensory neuron axons D) motor neuron dendrites E) sensory neuron dendrites
In the lac operon, the protein that binds to the operator to prevent transcription is
A. RNA polymerase. B. lactose. C. DNA polymerase. D. the repressor. E. the promoter.
How many individuals are migrating into your experimental populations every generation?
a. 0 b. 1 c. 2
When oxygen is plentiful, cells can make about _____ molecules of ATP per glucose molecule. In the absence of oxygen, they can make ____ molecules of ATP
Fill in the blank(s) with the appropriate word(s).