In treating hemolytic disease of the newborn, attempts are made to destroy ____________________
fetal cells that enter the mother's blood. Fill in the blank(s) with the appropriate word(s).
ANS: Rh positive
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Endotherms:
A. All of the answer options are correct. B. generate heat from the breakdown of food and other metabolic reactions. C. usually maintain a constant body temperature that is higher than that of their environment. D. include mammals and birds. E. have high metabolic rates.
In the endosymbiosis theory, what benefit did the host cell receive from the symbiont?
a. protection b. immune response c. energy d. cytoskeletal elements
What occurs as a result in a drop in the level of a hormone?
All of the following are useful indicators of evolutionary relationships EXCEPT
a. base sequences in DNA. b. amino acid sequences in a protein. c. similar ecological requirements. d. similar embryonic development. e. similar polypeptides