In ____ bonds, atoms share electrons equally
a. double
b. ionic
c. polar covalent
d. nonpolar covalent
e. hydrogen
ANSWER: d
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A protein called actin consists of 376 amino acids. The mRNA for actin must be longer than
A. 125 nucleotides. B. 376 nucleotides. C. 1128 nucleotides D. 3384 nucleotides.
Which of the following is the major component of most plant cell walls?
A) chloroplasts B) lignin C) starch D) cellulose
F. F. Blackman performed experiments to investigate the effects of various factors on photosynthesis. In one of his experiments, Blackman found that if light intensity was low, photosynthesis could be accelerated by increasing the amount of light, but not by increasing the temperature or carbon dioxide concentration. What can you conclude from this specific experiment?
A. Photosynthesis generates oxygen. B. Carbon dioxide is important for photosynthesis. C. High temperatures are important for photosynthesis. D. Light is important for photosynthesis.
The process of making DNA from an RNA template is referred to as ________
A) reverse transcription B) transcription C) translation D) transversion E) recombination