Biochemistry - Water, pH and Macromolecules
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Exercise"I never see what has been done; I only see what remains to be done."
- Marie Curie
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| 11. |
What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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| 12. |
Which of the following alcohols would be most soluble in water? |
| A. |
methanol | B. |
ethanol | | C. |
butanol | D. |
octanol |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 13. |
Which of the following acid/base pairs act as natural buffers in living systems? |
| A. |
H2CO3/HCO3- | | B. |
H2PO4-/HPO42- | | C. |
Histidine+/histidine | | D. |
All of these |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 14. |
If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? |
| A. |
be repelled by water | | B. |
It will be attracted to water | | C. |
It will form a membrane in water | | D. |
It will act as a buffer and stabilize the pH |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 15. |
A compound that is capable of forming hydrogen bonds with water |
| A. |
is probably held together by noncovalent bonds | | B. |
contains at least some polar covalent bonds | | C. |
should act as a good buffer for acids and bases | | D. |
does not dissolve well in water |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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