Movement of soluble organic material through sieve tube members occurs through ____.
A. translocation
B. active transport
C. cohesion-tension
D. transpiration
E. facilitated transport
Answer: A
Biology & Microbiology
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The positively charged component of the atom is the
A. electron. B. neutron. C. proton. D. quark.
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Which of the following is not true of carbon
monoxide? a. it is a gas. b. it is in automobile exhaust. c. it is harmless. d. it is odorless. e. it is in cigarette smoke
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. Which molecule contains anticodons?
a. DNA
b. mRNA c. rRNA d. tRNA e. dRNA
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The physical manifestation of an organism's genes is its
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Biology & Microbiology