Most digestion occurs in the:
A) mouth. B) stomach. C) small intestine. D) large intestine.
Answer: C
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Thymine dimers are caused by
A) X-rays. B) active oxygen species. C) a mutagen such as ethylmethane sulfonate (EMS). D) depurination. E) UV light.
A J-shaped growth curve is converted to an Sshaped
one
a. when the parents are past reproductive age. b. if the data is plotted in reverse. c. when the carrying capacity is reached. d. if reproduction is stopped. e. only for fast-growing populations such as bacteria.
Spliceosomes are composed of _____.
a. small RNAs and proteins b. polymerases and ligases c. introns and exons d. the RNA transcript and protein
Which structure in Figure 35-3 is responsible for lateral transport of dissolved sugars in this woody
plant? a. 3 b. 4 c. 7 d. 8 e. 9