The effect of directional growth shown in the above
figure is known to be caused by
a. thigmotropism.
b. gravitropism.
c. abscisic acid.
d. salicylic acid.
e. all of these.
Answer: b
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A. it encodes a transposase B. it is composed of DNA C. it is highly complex D. it is smallest
Carbohydrate digestion begins in the ____
a. mouth b. stomach c. small intestines d. large intestines e. liver
Which of the following is most characteristic of desert animals?
a. They tend to be quite large in size. b. They estivate during the rainy season. c. They mostly only come out at night. d. They do not include mammals except for rodents. e. They do not include insects.
Replacing a patient's defective gene with a fragment containing a functional gene is
A. gene therapy. B. genomics. C. gene cloning. D. gene mapping. E. gene selection.