The cuticle of a plant functions primarily for ____

a. retention of water
b. conduction of water and minerals
c. absorption of oxygen
d. photosynthesis
e. structural support


ANSWER: a

Biology & Microbiology

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If the anticodon sequence of a(n) ____ is correct, a special enzyme will bind to it and "charge" it by

adding the correct amino acid to its 3' end.

a. pre-mRNA b. tRNA c. snRNA d. mRNA e. rRNA

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Unlike simple diffusion, facilitated diffusion requires energy expenditure by the cell.

a. true b. false

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Riverine wetlands usually have a longer hydroperiod than basin wetlands

Indicate whether the statement is true or false

Biology & Microbiology

A conclusion whose validity can be meaningfully tested using observable data is an example of:

A. empirically testable conclusion. B. direct proof. C. inductive reasoning. D. data mining.

Biology & Microbiology