Cell Structure and Function

Question 1

What is the function of the nucleus?

Answer 1

The nucleus controls cell activities, stores genetic material (DNA), and regulates gene expression.

Question 2

What is the role of mitochondria?

Answer 2

Mitochondria are the powerhouse of the cell, producing ATP through aerobic respiration.

Question 3

How does the cell membrane function?

Answer 3

The cell membrane controls the movement of substances into and out of the cell and provides structure and protection.

Question 4

What is the difference between smooth and rough endoplasmic reticulum (ER)?

Answer 4

Smooth ER synthesizes lipids and detoxifies toxins. Rough ER synthesizes proteins and is studded with ribosomes.

Question 5

What is the role of the Golgi apparatus?

Answer 5

The Golgi apparatus modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles.

Question 6

What is the function of lysosomes?

Answer 6

Lysosomes contain enzymes that break down waste materials and cellular debris.