Aquaporins are ____
a. channel proteins for water
b. carrier proteins for solutes
c. channel proteins for solutes
d. carrier proteins for water
e. carrier proteins for water and solutes
ANSWER: a
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Which of the following could explain how some (although rare) people can have Down syndrome and have a normal chromosome number?
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a. True b. False Indicate whether the statement is true or false
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A) Bird B) Insect C) Mollusk D) Flatworm
Which of the following bacteria oxidize nitrite (NO2-) to produce nitrate (NO3-)?
A. Nitrobacter B. Azospirillum C. Nocardia D. Cyanobacter E. Rhizobium