The more buffers present in a body fluid, the more likely that the blood pH will change after absorbing nutrients during digestion
Indicate whether the statement is true or false
FALSE
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Polar bodies
a. are dumping places for excess genetic material. b. have no known biological function. c. are produced by meiosis. d. will serve as the gametes if something happens to the egg. e. all of these except "will serve as the gametes if something happens to the egg"
What are skeletal muscles attached to the bones by?
What will be an ideal response?
The synthesis of DNA or RNA from the organic soup would have been guided by the actions of enzymes in the
A. protein-first hypothesis. B. RNA-first hypothesis. C. clay-catalyst hypothesis. D. chloroplast.
Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment
A) is isotonic to the protozoan. B) is hypotonic to the protozoan. C) contains a higher concentration of solutes than the protozoan. D) is hypertonic to the protozoan.