The advantage of light microscopy over electron microscopy is that
a. light microscopy provides for higher magnification than electron microscopy.
b. light microscopy provides for higher resolving power than electron microscopy.
c. light microscopy allows one to view dynamic processes in living cells.
d. both A and B
e. both B and C
c. light microscopy allows one to view dynamic processes in living cells.
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Which of the following protein(s) does NOT play a role in initiating transcription in eukaryotes?
A. general transcription factors B. transposase C. RNA polymerase II D. mediator E. general transcription factors and RNA polymerase II
Tim, who is an avid cyclist, is struck by a car during an organized bike ride. Two of his ribs are broken, puncturing his chest wall on the right side. What will most likely happen to his lungs?
A. His left lung will be okay, but his right lung will collapse. B. Both lungs will overinflate. C. Both lungs will collapse. D. His left lung will be okay, but his right lung will overinflate. E. His right lung will overinflate and his left lung will collapse. F. His right lung will collapse and his left lung will overinflate. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the respiratory passages? What other information is related to the question? Choose Answer Given what you now know, what information 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?
In experiments with HeLa cells, you discover that a new chemical agent blocks cell growth by inhibiting protein synthesis. Describe where in the cell the drug is most likely having an effect
What will be an ideal response?
Fatty acids usually have an even number of carbons in their structures. They are catabolized by a process called beta-oxidation. The end products of the metabolic pathway are acetyl groups of acetyl CoA molecules. These acetyl groups _____
A) directly enter the electron transport chain B) directly enter the energy-yielding stages of glycolysis C) are directly decarboxylated by pyruvate dehydrogenase D) directly enter the citric acid cycle