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
Biology & Microbiology
Unlike simple diffusion, facilitated diffusion requires energy expenditure by the cell.
a. true b. false
Biology & Microbiology
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