Predict the experimental outcome if Hershey and Chase had used a bacterial cell instead of a bacteriophage in the procedure.
A. Radioactivity would be detected in neither the supernatant nor the pellet.
B. Radioactivity would be detected in the supernatant but not in the pellet.
C. Radioactivity would be detected in the pellet but not in the supernatant.
D. Radioactivity would be detected in both the supernatant and pellet.
Answer: B
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Which of the following statements is true about enzyme-catalyzed reactions?
A) The reaction is faster than the same reaction in the absence of the enzyme. B) The free energy change of the reaction is opposite from the reaction that occurs in the absence of the enzyme. C) An enzyme catalyzes a reaction by raising the activation energy. D) Enzyme-catalyzed reactions require energy to activate the enzyme. E) Enzyme-catalyzed reactions release more free energy than noncatalyzed reactions.
Which of the following is the most effective
contraceptive approach of those listed?
a. withdrawal b. diaphragm c. condoms d. douching e. rhythm method
Why did you perform multiple differential tests on the same three colonies for the Normal and Heat treatments? If you were able to observe your samples under a microscope, what conclusions can you make about the types of microorganisms that make up the colonies you observed?
What will be an ideal response?
)
A. Lysozyme B. Antibodies C. Complement D. Inflammation E. Interferon F. Fever