All plants are multicellular, and most are ____ that carry out photosynthesis
a. freshwater autotrophs
b. freshwater heterotrophs
c. marine autotrophs
d. terrestrial autotrophs
e. terrestrial heterotrophs
ANSWER: d
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Viral gastroenteritis in infants and children is most commonly caused by
A. herpes. B. hepatitis B. C. Norovirus. D. rotavirus.
Sulfur can be obtained from inorganic sources only.
Answer the following statement true (T) or false (F)
High doses of AAS have been found to
a. increase TSH levels. b. decrease gonadotrophins from the hypothalamus. c. increase natural testosterone. d. decrease thyroxine levels. e. have no effect on TSH levels.
Do all cells of the body express the same genes?
A) Yes, since they all contain the same DNA B) Yes, since they all make the same proteins C) No, since they don't contain the same DNA D) No, since they don't all need to make the same proteins