Chapter 02: The Cell and Its Functions

Chapter 02: The Cell and Its Functions

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

5. The cell membrane is LEAST permeable to which of the following?

1. Sodium
2. Oxygen
3. Ethanol
4. Carbon Dioxide
5. Water

ANS: A

6. The term “glycocalyx” refers to:

1. The negatively charged carbohydrate chains that protrude into the cytosol from glycolipids and integral glycoproteins
2. The negatively charged carbohydrate layer on the outer cell surface
3. The layer of anions aligned on the cytosolic surface of the plasma membrane
4. The large glycogen stores found in “fast” muscles
5. A mechanism of cell-cell attachment

ANS: B

7. Proteins are sorted for their delivery to lysosomes, secretory vesicles and the plasma membrane in the:

1. Golgi apparatus
2. smooth endoplasmic reticulum
3. nucleus
4. endocytotic vesicle

ANS: A

8. Ubiquinone, an electron acceptor in the electron transport chain (oxidative phosphorylation), is found in the:

1. Inner mitochondrial membrane
2. Mitochondrial matrix
3. Outer mitochondrial membrane
4. Nucleus

ANS: A

9. The citric acid cycle or Kreb’s cycle, takes place in the:

1. Mitochondrial matrix
2. Inner mitochondrial membrane
3. Outer mitochondrial membrane
4. Inner mitochondrial space

ANS: A