Biochemistry Concepts And Connections 1st Edition By Appling-Test Bank

Test Bank For Principles of Biochemistry 1st Ed. By Appling

ISBN-10: 0321839927 , ISBN-13: 9780321839923
Chapter 1 – Exploring Biochemistry and Chemical Terminology

1) The percentage of water in the human body is roughly:

1. A) 90%.
2. B) 80%.
3. C) 70%.
4. D) 60%.
5. E) 50%.

Answer:  C

2) The four most prevalent chemical elements in biological systems are:

1. A) hydrogen, oxygen, sulfur and phosphorus.
2. B) hydrogen, carbon, nitrogen and oxygen.
3. C) sodium, potassium, carbon and oxygen.
4. D) sodium, potassium, nitrogen and sulfur.
5. E) carbon, nitrogen, oxygen and potassium.

Answer:  B

Objective:  1.2

3) Almost all proteins contain:

1. A) cobalt.
2. B) phosphorus.
3. C) selenium.
4. D) sulfur.
5. E) none of the above.

Answer:  D

Objective:  1.2

Global LO:  G7

4) Which of these statements is NOT true?

1. A) Proteins can serve as structural components of cells.
2. B) Proteins can relay signals between cells.
3. C) Proteins can ferry molecules within and between cells.
4. D) Proteins can act as both hormones and hormone receptors.
5. E) Proteins are the sole biological polymer able to catalyze biochemical reactions.

Answer:  E

Objective:  1.2

Global LO:  G7

5) Which of the following is NOT categorized as a lipid?

1. A) Cholesterol
2. B) Palmitic acid
3. C) Glycerol
4. D) Phosphatidyl serine
5. E) Triacylglycerol

Answer:  C

Objective:  1.2

Global LO:  G7

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