All of the following are true of severe immune
deficiencies EXCEPT that
a. they are all contagious.
b. AIDS is an example.
c. SCID is an example.
d. they make the afflicted susceptible to
opportunistic pathogens.
e. they may have a primary or secondary origin.
Answer: a
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A chronometer is used for:
a. measuring depth. b. measuring speed. c. measuring time. d. measuring latitude. e. measuring longitude.
A whale that floated when harpooned was called a(n) ____
a. orca b. right whale c. blue whale d. fin whale e. sperm whale
A(n) ____ includes the entire genome
a. cDNA library b. transcribed library c. genomic library d. RNA library e. plasmid library
What is the type of weak bond between the hydrogen of one molecule and the nitrogen of another molecule, where the two don't actively share an electron?
A) ionic bond B) covalent bond C) hydrogen bond D) disulfide bond E) hydrophobic bond