Question 1

A patient is diagnosed with a genetic disorder that impairs the function of their lysosomes. Which cellular process is most likely to be affected?

Accepted Answer

Waste breakdown and recycling

Question 2

Which cell part is primarily responsible for packaging and shipping proteins to their destinations inside or outside the cell?

Accepted Answer

Golgi apparatus

Question 3

If a cell's mitochondria are damaged, which of the following equations best represents the process that will be disrupted?

Accepted Answer

$$\mathrm{C_6H_{12}O_6$} + 6\mathrm{O_2$} \rightarrow 6\mathrm{CO_2$} + 6\mathrm{H_2O} + \mathrm{ATP}$$

Question 4

Which organelle is most directly involved in the synthesis of lipids, such as steroid hormones?

Accepted Answer

Smooth ER

Question 5

A scientist observes 'rice dot' structures in a cell under a microscope. What is the primary function of these structures?

Accepted Answer

Synthesizing proteins

Question 6

During cell division, which structure organizes microtubules to ensure proper chromosome separation?

Accepted Answer

Centrosome

Question 7

Which cell part acts as 'tiny doors' in the nucleus, controlling the movement of molecules in and out?

Accepted Answer

Nuclear pore

Question 8

A mutation prevents the formation of ribosomes in a cell. Which organelle is most likely malfunctioning?

Accepted Answer

Nucleolus

Question 9

Which of the following best describes the function of vesicles in a cell?

Accepted Answer

They carry and transport substances within the cell.

Question 10

A cell is exposed to high levels of hydrogen peroxide. Which organelle will help detoxify this substance?

Accepted Answer

Peroxisome

Question 11

Which organelle is described as the 'envelope that wraps the nucleus' and what is its main function?

Accepted Answer

Nuclear envelope; regulates passage of materials between nucleus and cytoplasm

Question 12

If a cell's rough ER is malfunctioning, which process will be most directly affected?

Accepted Answer

Protein synthesis and processing

Question 13

Which cell part is most analogous to a 'post office' in terms of its function?

Accepted Answer

Golgi apparatus

Question 14

A cell is unable to produce ATP efficiently. Which organelle is most likely defective?

Accepted Answer

Mitochondria

Question 15

Which of the following best describes the cytosol?

Accepted Answer

The fluid part inside the cell where organelles are suspended

Question 16

A cell is observed to have an excess of undigested waste. Which organelle is most likely malfunctioning?

Accepted Answer

Lysosome

Question 17

Which organelle is directly involved in the breakdown of fatty acids and detoxification of harmful substances?

Accepted Answer

Peroxisome

Question 18

During mitosis, which structure is responsible for forming the spindle fibers that separate chromosomes?

Accepted Answer

Centrioles

Question 19

Which organelle is most likely to be abundant in cells that secrete large amounts of protein, such as pancreatic cells?

Accepted Answer

Rough ER

Question 20

A cell is unable to transport newly synthesized proteins to the plasma membrane. Which two organelles are most likely involved in this process?

Accepted Answer

Rough ER and Golgi apparatus

Cell Parts and Their Functions: Study Guide for Anatomy & Physiology

Study Guide - Practice Questions