Which of the following is bacteriostatic?
A) heating in an oven at 171°C for an hour
B) freezing below 0°C
C) filtration
D) autoclaving
E) flash pasteurization
B
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Two muscle groups that oppose the action of each other include flexors and extensors, like the biceps and triceps. These muscle groups are known as:
A. agonists B. antagonists C. synergists D. contragonists
Describe the function of the mitotic spindle
What will be an ideal response?
What special property do Taq polymerases
have that make them useful in PCR?
a. they are stable at high temperatures b. their hydrogen bonds do not break at low pHs c. they multiply quickly d. they are easy to isolate from common fungi e. more than one of these is a special property of Taq polymerases
Suppose you have some seeds that refuse to germinate when placed in moist soil. What could you do to encourage the seeds to germinate?
A) Put them in direct sunlight. B) Treat them with auxin. C) Boil them. D) Treat them with abscisic acid. E) Treat them with gibberellin.