Homeostasis and the Biological Environment

Practice Questions

Biochemistry › Homeostasis and the Biological Environment

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1

Which of the following statements about water is incorrect?

2

Which of the following statements about water is incorrect?

3

A biochemist is studying two metabolic reactions at constant temperature and pressure. Reaction 1 is found to have a G value of . Reaction 2 has a G value of . Which statement is true about these reactions?

4

A biochemist is studying two metabolic reactions at constant temperature and pressure. Reaction 1 is found to have a G value of . Reaction 2 has a G value of . Which statement is true about these reactions?

5

What percentage of the human body is composed of interstitial water?

6

What percentage of the human body is composed of interstitial water?

7

Is water an acid or a base?

8

A dialysis bag containing pure water is placed in a beaker containing a 1 molar glucose in water. The pore size of the dialysis bag is only large enough to allow water to pass through it. What will be the net flow of water?

9

What is the concentration in an solution with a pH of ?

10

Calculate the pH of an ammonia buffer when the molar ratio of is . The pKa to be used is 9.75.

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