Reactive oxygen intermediates and reactive nitrogen intermediates produced by phagocytic cells are effective in killing invading microorganisms.
Answer the following statement true (T) or false (F)
True
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A stretch reflex is
(a) somatic. (b) autonomic. (c) both a and b. (d) none of the above.
The process by which related species become more different in order to reduce competition is called ___________ _________.
Fill in the blank(s) with the appropriate word(s).
In the eukaryotic promoters that have it, the CAAT box appears to be critical to the promoter's ability to facilitate transcription
Indicate whether the statement is true or false
In fetal circulation, most blood is shunted away from the lungs. Why is this the case?
A) The lungs don't need any blood. B) The fetus receives oxygen at the placenta, and the lungs are not yet fully functional. C) The lungs do not form until right before birth. D) The lungs have their own circulation.