Which birth control method is implanted in the uterus to prevent implantation?
a. diaphragm
b. IUD
c. vasectomy
d. ligation
e. condom
ANSWER: b
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Most carbon double bonds in naturally occurring unsaturated fatty acids are in the ________ configuration, but some are in the ________ configuration, making the shape and packing of those fatty acids more like that of saturated fatty acids
Fill in the blank with correct word.
After embryonic development, members of the phylum Rotifera are incapable of:
a. reproduction. b. cell division. c. locomotion. d. excretion. e. ingestion.
All of the following belong to the Herpesviridae, except
A. Variola virus. B. Varicella-zoster virus. C. Cytomegalovirus. D. Epstein-Barr virus. E. Herpes simplex viruses.
The first primitive eukaryotic cells likely evolved from
a. archea. b. bacteria. c. prokaryotes. d. the last common ancestor. e. None of the choices is correct.