Which of the following can grow in a Petri plate on a laboratory table?
a. an anaerobic bacterium
b. an aerobic bacterium
c. viruses on an agar surface
d. all of the above
Answer: b. an aerobic bacterium
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A flash of red light followed by a flash of far-red light given during the middle of the night to a short-day plant will likely _____
A) cause increased flower production B) have no effect upon flowering C) inhibit flowering D) stimulate flowering E) convert florigen to the active form
The image of the animal shown above caused quite a
media frenzy in recent years due to reports that it was not extinct. What is it? a. blue-footed booby b. ivory billed woodpecker c. dodo bird d. red caucaded woodpecker e. none of these
Which of the following is a characteristic of uracil?
a. The ability to bond with adenine. b. The ability to bond with guanine. c. It is a purine. d. The ability to bond with cytosine. e. It contains two nitrogenous rings
Starting with one molecule of acetyl CoA as an input, how many oxidation reactions occur during the Krebs cycle?
A. three B. eight C. six D. two E. one