Which of the following can be used as electron acceptors during anaerobic respiration?
A. Carbon dioxide
B. Nitrate
C. Sulfate
D. All of the choices are correct.
Answer: D
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If you were to digest this DNA with PstI, which length of DNA fragment would migrate the fastest on an agarose gel?
A 6.85 kb EcoRI fragment of DNA is shown below. The location of several restriction sites is indicated. Scale is approximate.
A. 803
B. 2622
C. 3425
D. 235
Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?
· What key words does the question contain and what do they mean?
Gather Content
· What do you already know about restriction enzymes?
Consider Possibilities
· What other information is related to the question? Which information is most useful?
Choose Answer
· Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?
Reflect on Process
· Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Budding (select all correct choices):
A. is a form of asexual reproduction. B. is found in fungi, plants, and some animals. C. involves an unequal division between a mother and daughter cell or organism. D. leads to a mother cell and a daughter cell that are genetically very different. E. occurs when one organism is divided into pieces called buds.
Even though the autumn may be unusually warm, the
leaves from deciduous trees begin to drop during September. Which of the following is the best explanation? a. The trees are responding to shorter days. b. The autumn months are usually drier because the summer rains have tapered off. c. The effects of phototropism are operating “right on schedule.” d. There is not enough sunlight to carry on photosynthesis any longer. e. None of these are the best explanation.
The simplest sugars are called ____________________, and two of these sugars linked together form a(n)
____________________. Fill in the blank(s) with the appropriate word(s).