What is a plaque composed of?
A) lysed bacteria
B) live bacteria and bacteriophage
C) lysed bacteria, phage, and agar
D) bacteriophage and agar
E) bacteriophage and dead bacteria
Answer: C
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Which of the following is not true of cloning vectors?
A. They can be replicated within an appropriate host. B. They contain at least two replication origins. C. They usually contain multicloning sites or polylinkers. D. All of these choices are correct.
Glycolysis yields a net energy profit of ____ ATP molecules per molecule of glucose
a. no b. one c. two d. four e. six
Which is a good reason to have fiber in your diet?
A. It prevents scurvy. B. It reduces the chances of colon cancer. C. Fiber is rich in essential amino acids. D. Fiber contains the essential fatty acid oleic acid.
Answer the following questions true (T) or false (F)
1. Cholera toxin is composed of five A subunits and one B subunit. 2. The small intestine is the site of the majority of nutrient digestion and absorption. 3. Complete recovery from hepatitis A infection occurs 99% of the time.