Question 1

Which organelle is primarily responsible for synthesizing ribosomal RNA (rRNA) and assembling ribosome subunits?

Accepted Answer

Nucleolus

Question 2

A patient’s cells are unable to break down fatty acids, leading to toxic accumulation. Which organelle is most likely malfunctioning?

Accepted Answer

Peroxisome

Question 3

Which of the following best describes the function of the Golgi apparatus?

Accepted Answer

Modifies, sorts, and packages proteins for secretion

Question 4

A mutation disrupts the structure of the rough endoplasmic reticulum. Which cellular process is most directly affected?

Accepted Answer

Protein synthesis

Question 5

Which organelle contains hydrolytic enzymes for intracellular digestion?

Accepted Answer

Lysosome

Question 6

A scientist observes a cell with an extensive network of smooth endoplasmic reticulum. What is this cell most likely specialized for?

Accepted Answer

Lipid synthesis and detoxification

Question 7

Which structure is responsible for organizing microtubules during cell division?

Accepted Answer

Centrosome

Question 8

If a cell’s intermediate filaments are defective, which cellular function is most likely impaired?

Accepted Answer

Structural support and maintenance of cell shape

Question 9

Which of the following best describes the role of chromatin in the cell?

Accepted Answer

Packaging DNA into a compact, organized structure

Question 10

A cell is observed to have an abnormally large vacuole. What is a likely function of this organelle in the cell?

Accepted Answer

Storage of nutrients, waste products, and water

Question 11

Which organelle is directly involved in the transport of proteins from the endoplasmic reticulum to the Golgi apparatus?

Accepted Answer

Golgi vesicle

Question 12

A genetic disorder causes a defect in ribosome production. Which cellular process will be most affected?

Accepted Answer

Translation of mRNA into proteins

Question 13

Which of the following organelles is NOT directly involved in the synthesis or modification of proteins?

Accepted Answer

Vacuole

Question 14

A cell is unable to secrete hormones due to a defect in which organelle?

Accepted Answer

Secretory vesicle

Question 15

Which organelle is most likely to be abundant in liver cells due to their role in detoxification?

Accepted Answer

Smooth endoplasmic reticulum

Question 16

A cell is observed to have a high number of lysosomes. What is a likely function of this cell?

Accepted Answer

Breaking down cellular waste and foreign material

Question 17

Which organelle is responsible for the synthesis of lipids and steroid hormones?

Accepted Answer

Smooth endoplasmic reticulum

Question 18

A mutation in which organelle would most likely disrupt the packaging and distribution of proteins?

Accepted Answer

Golgi apparatus

Question 19

Which organelle is a network of protein fibers that provides structural support for the cell?

Accepted Answer

Intermediate filament

Question 20

A cell is unable to divide properly due to a malfunction in which organelle?

Accepted Answer

Centrosome

Cell Organelles: Structure and Function in Medical Terminology

Study Guide - Practice Questions