Researchers introduce DNA into plants by using ____
I. bacteria
II. electric shocks
III. chemical shocks
a. I only
b. II only
c. III only
d. II and III
e. I, II, and III
ANSWER: e
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The cell cycle is monitored as each cell passes through checkpoints
a. true b. false
While conducting an experiment, you realize that a competitive inhibitor was interfering with your reaction. How could you overcome this problem?
A. add a cofactor to the reaction B. add an allosteric activator to the reaction C. increase the concentration of the correct substrate in the reaction D. add a noncompetitive inhibitor to the reaction
The smallest unit that has all of the characteristics of life is the
(a). cell. (b). tissue. (c). organ. (d). organ system. (e). organism.
Starch is a long chain of sugars commonly found in foods such as corn, grain, potatoes, peas, and beans.
a. true b. false