Cells with a relatively simple cell morphology that do not have a true membrane-delimited nucleus are called ________.
A. urkaryotes
B. prokaryotes
C. nokaryotes
D. eukaryotes
Answer: B
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After 5,730 years, we can predict that half the molecules of 14C will have been converted into ________
a. 14N b. 32P c. 12C d. 60Co
All of the following animals have placentas EXCEPT
a. kangaroos. b. opposums. c. echidnas. d. koalas. e. wombats.
It is thought that viruses may have originated
from cells because
a. of their small size. b. they are pathogens. c. they can only replicate within a host cell. d. they do not have organelles. e. more than one of these
Sally had a throat sample taken at a satellite lab within her health care provider's office. What kind of media would be best suited for maintaining the quality of this specimen prior to its arrival in the clinical laboratory?
A. TSA plate B. transport media C. TSB tube D. selective agar E. differential agar