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

Biology & Microbiology

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a. true b. false

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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

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The smallest unit that has all of the characteristics of life is the

(a). cell. (b). tissue. (c). organ. (d). organ system. (e). organism.

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Starch is a long chain of sugars commonly found in foods such as corn, grain, potatoes, peas, and beans.

a. true b. false

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