Question 1

Which organelle is primarily responsible for the initial synthesis of polypeptide chains (proteins) in a eukaryotic cell?

Accepted Answer

Ribosome

Question 2

A patient is diagnosed with a genetic disorder that impairs the function of their mitochondria. Which cellular process would be most directly affected?

Accepted Answer

Energy production/ATP formation

Question 3

Which of the following best describes the role of the Golgi Apparatus in a cell?

Accepted Answer

Quality control and shipping

Question 4

Which of the following structures is NOT typically embedded in the phospholipid bilayer according to the fluid mosaic model?

Accepted Answer

Microfilaments

Question 5

Why is cholesterol important for the cell membrane?

Accepted Answer

It keeps the membrane flexible and stable.

Question 6

Which of the following is a function of membrane proteins?

Accepted Answer

Transport of molecules across the membrane

Question 7

A cell is placed in a solution and begins to swell and eventually bursts. What type of solution was the cell placed in?

Accepted Answer

Hypotonic

Question 8

Which type of membrane junction forms an impermeable seal between cells, preventing leakage of extracellular fluid?

Accepted Answer

Tight junctions

Question 9

Which of the following best describes simple diffusion?

Accepted Answer

Movement of nonpolar and small molecules down their concentration gradient

Question 10

A cell with a higher concentration of solutes inside than outside will experience which of the following if placed in a hypotonic solution?

Accepted Answer

Water will move into the cell, causing it to swell.

Question 11

Which of the following is NOT a function of the cytoskeleton?

Accepted Answer

Energy production

Question 12

Which organelle contains digestive enzymes and is responsible for breaking down waste within the cell?

Accepted Answer

Lysosome

Question 13

Which of the following best describes the function of the glycocalyx?

Accepted Answer

Allows identification of 'self' vs 'nonself' cells and cell type

Question 14

Which of the following is a characteristic of epithelial tissue?

Accepted Answer

Covering

Question 15

Which type of tissue is primarily responsible for binding and supporting other tissues?

Accepted Answer

Connective tissue

Question 16

Which of the following is a function of blood as a connective tissue?

Accepted Answer

Transportation

Question 17

Which of the following equations correctly represents the movement of water during osmosis?

Accepted Answer

$$J_{water} = L_p (\Delta P - \Delta \pi)$$

Question 18

A researcher observes that a cell's membrane proteins are malfunctioning, leading to poor signal transduction. Which function of membrane proteins is most likely impaired?

Accepted Answer

Receptors for signal transduction

Question 19

Which of the following best describes the difference between loose and dense connective tissue?

Accepted Answer

Dense connective tissue has more fibers per area than loose connective tissue.

Question 20

Which equation best represents the rate of simple diffusion across a membrane?

Accepted Answer

$$J = -D \frac{dC}{dx}$$

Cells and Tissues: Structure and Function (A&P Chapter 3 & 4 Workshop Study Notes)

Study Guide - Practice Questions

Study Guide - Flashcards