Lesson: Chapter - 4

The Cell Review Questions

1. A microscope has an ocular lens with a magnification of 10x and objective lenses with magnifications of 10x, 20x, 30x, and 43x. Which of the following are not possible magnifications that can be achieved with this microscope?
(A) 10x
(B) 100x
(C) 200x
(D) 300x
(E) 430x
2. Which of the following are features of the prokaryotic cell?
(A) Nucleus
(B) Ribosomes
(C) Mitochondria
(D) Vacuoles
(E) Golgi bodies
3. What is the function of the Golgi apparatus?
(A) It controls the cell’s activities and stores its DNA.
(B) It is the site of protein synthesis.
(C) It synthesizes lipids and transports synthesized proteins.
(D) It sorts and packages proteins made in the endoplasmic reticulum.
(E) It provides structure to the prokaryotic cell.
4. Proteins manufactured in the endoplasmic reticulum are secreted from the cell by which of the following processes?
(A) Diffusion
(B) Osmosis
(C) Pinocytosis
(D) Exocytosis
(E) Passive transport
5. Why is the “rough” endoplasmic reticulum rough?
(A) It is studded with ribosomes that form a bumpy coat.
(B) It functions in lipid synthesis.
(C) It contains cellulose, which gives the membrane rigidity and structure.
(D) It lacks the ribosomes characteristic of the cytosol.
(E) It engages in lipid synthesis, which gives it a rough texture.
6. Which of the following functions is performed by the lysosome?
(A) Digestion of intracellular debris
(B) Production of energy through photosynthesis
(C) Regulation of transport
(D) Storage of nutrients
(E) Lipid synthesis
7. What two classes of molecules make up the phospholipid bilayer?
(A) Sugars and phosphoproteins
(B) Proteins and phospholipids
(C) Phosphoproteins and lipids
(D) DNA and carbohydrates
(E) PhosphoDNA and lipids
8. What is the name of the natural process by which molecules flow from an area of higher concentration to an area of lower concentration?
(A) Diffusion
(B) Pinocytosis
(C) Endocytosis
(D) Respiration
(E) Exocytosis
9. Which of the following is not a property of the cell membrane?
(A) Fluidity
(B) Permeability to nonpolar compounds
(C) Permeability to water and gases
(D) Rigidity
(E) Impermeability to large polar compounds
10. A cell is placed in a bath of water that has a much higher salt concentration than the concentration inside the cell. What happens?
(A) The cell will fill with water.
(B) Water will rush out of the cell.
(C) The distribution of water will not change.
(D) Salt will move from the cell to the exterior.
(E) The cell will clearly burst.
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