CELS Lecture 1

Question 1

What is the function of the nucleus in a cell?

Answer 1

The nucleus stores the cell’s genetic material and coordinates activities such as growth, metabolism, and reproduction.

Question 2

True or False: The mitochondria are known as the powerhouse of the cell.

Answer 2

True

Question 3

Fill in the blank: The __________ is responsible for protein synthesis.

Answer 3

ribosome

Question 4

What organelle is responsible for detoxifying harmful substances in the cell?

Answer 4

smooth endoplasmic reticulum

Question 5

Which organelle is involved in packaging and distributing proteins?

Answer 5

Golgi apparatus

Question 6

What is the primary function of lysosomes?

Answer 6

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

Question 7

Multiple Choice: Which of the following organelles is known as the ‘suicide bag’ of the cell? A) Mitochondria B) Lysosome C) Ribosome D) Nucleus

Answer 7

B) Lysosome

Question 8

What is the role of the cell membrane?

Answer 8

The cell membrane regulates the movement of substances in and out of the cell.

Question 9

True or False: Chloroplasts are found in animal cells.

Answer 9

False

Question 10

What structure provides shape and support to plant cells?

Answer 10

cell wall

Question 11

Fill in the blank: The __________ is involved in the production of ATP.

Answer 11

mitochondria

Question 12

What is the function of the rough endoplasmic reticulum?

Answer 12

The rough endoplasmic reticulum is involved in the synthesis of proteins that are secreted from the cell.

Question 13

Multiple Choice: Which organelle is primarily involved in lipid synthesis? A) Ribosome B) Golgi apparatus C) Smooth endoplasmic reticulum D) Lysosome

Answer 13

C) Smooth endoplasmic reticulum

Question 14

What is the purpose of the cytoskeleton?

Answer 14

The cytoskeleton provides structural support and helps in cell movement.

Question 15

True or False: Vacuoles are larger in animal cells than in plant cells.

Answer 15

False

Question 16

What organelle is responsible for photosynthesis?

Answer 16

chloroplast

Question 17

Fill in the blank: The __________ helps maintain turgor pressure in plant cells.

Answer 17

vacuole

Question 18

What is the main function of peroxisomes?

Answer 18

Peroxisomes break down fatty acids and detoxify harmful byproducts of metabolism.

Question 19

Multiple Choice: Which of the following organelles is involved in the modification of proteins? A) Nucleus B) Golgi apparatus C) Ribosome D) Smooth endoplasmic reticulum

Answer 19

B) Golgi apparatus

Question 20

What is the function of centrioles?

Answer 20

Centrioles are involved in cell division and the formation of the spindle fibers.

Question 21

True or False: The nucleolus is responsible for ribosome production.

Answer 21

True

Question 22

What is the primary role of the plasma membrane?

Answer 22

The plasma membrane controls the entry and exit of substances in and out of the cell.

Question 23

Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.

Answer 23

cytoskeleton

Question 24

What is the function of the extracellular matrix?

Answer 24

The extracellular matrix provides structural support and helps cells communicate with each other.

Question 25

Multiple Choice: Which organelle is primarily responsible for cellular respiration? A) Golgi apparatus B) Mitochondria C) Chloroplast D) Ribosome

Answer 25

B) Mitochondria