Mars Case
Essay by Zomby • August 6, 2012 • Essay • 382 Words (2 Pages) • 1,664 Views
Who was/were the first to propose that cell membranes are phospholipid bilayers?
Answer
Selected Answer: E. E. Gorter and F. Grendel
* Question 2
1 out of 1 points
Which of these often serve as receptors or cell recognition molecules on cell surfaces?
Answer
Selected Answer: E. glycoproteins
* Question 3
1 out of 1 points
Which of the following is a reasonable explanation for why unsaturated fatty acids help keep any membrane more fluid at lower temperatures?
Answer
Selected Answer: A. The double bonds form kinks in the fatty acid tails, forcing adjacent lipids to be further apart.
* Question 4
0 out of 1 points
The following questions are based on the reaction A + B C + D shown in Figure 8.2.
Figure 8.2
Which of the following represents the G of the reaction?
Answer
Selected Answer: A. a
* Question 5
1 out of 1 points
Why is ATP an important molecule in metabolism?
Answer
Selected Answer: B. It provides energy coupling between exergonic and endergonic reactions.
* Question 6
1 out of 1 points
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of cellular components. Which of the following organelles functions in this compartmentalization?
Answer
Selected
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