cell structures

Question 1

What is the primary function of peroxisomes?

Answer 1

To break down fatty acids and detoxify harmful substances.

Question 2

True or False: Peroxisomes contain enzymes that produce hydrogen peroxide.

Answer 2

True

Question 3

Fill in the blank: The cytoskeleton is primarily made up of _____, microtubules, and intermediate filaments.

Answer 3

actin filaments

Question 4

What are the two types of endoplasmic reticulum?

Answer 4

Rough ER and Smooth ER.

Question 5

Which type of endoplasmic reticulum is responsible for protein synthesis?

Answer 5

Rough ER.

Question 6

What is the main role of smooth endoplasmic reticulum?

Answer 6

Lipid synthesis and detoxification.

Question 7

True or False: Lysosomes are involved in the digestion of cellular waste.

Answer 7

True

Question 8

What is the function of the Golgi apparatus?

Answer 8

To modify, sort, and package proteins and lipids for secretion or delivery.

Question 9

Fill in the blank: Mitochondria are known as the _____ of the cell.

Answer 9

powerhouse

Question 10

What is the primary function of mitochondria?

Answer 10

To produce ATP through cellular respiration.

Question 11

True or False: The Golgi apparatus is involved in the synthesis of ribosomal RNA.

Answer 11

False

Question 12

What structure provides structural support to the cell?

Answer 12

Cytoskeleton.

Question 13

Which organelle contains digestive enzymes?

Answer 13

Lysosomes.

Question 14

Fill in the blank: Peroxisomes help in the breakdown of _____ acid.

Answer 14

fatty

Question 15

What is the function of microtubules in the cytoskeleton?

Answer 15

To maintain cell shape and facilitate intracellular transport.

Question 16

True or False: Smooth ER is studded with ribosomes.

Answer 16

False

Question 17

What is the role of ribosomes found on rough ER?

Answer 17

To synthesize proteins.

Question 18

What is the pH level of lysosomes?

Answer 18

Highly acidic, typically around pH 4.5.

Question 19

Fill in the blank: The Golgi apparatus consists of a series of flattened _____ sacs.

Answer 19

membrane-bound

Question 20

What process do mitochondria use to produce ATP?

Answer 20

Oxidative phosphorylation.

Question 21

True or False: Peroxisomes can replicate by dividing.

Answer 21

True

Question 22

What are the three main components of the cytoskeleton?

Answer 22

Microfilaments, intermediate filaments, and microtubules.

Question 23

Which organelle is responsible for detoxifying drugs and poisons?

Answer 23

Smooth ER.

Question 24

Fill in the blank: Lysosomes are formed from the _____ apparatus.

Answer 24

Golgi

Question 25

What type of enzymes do lysosomes contain?

Answer 25

Hydrolytic enzymes.

Question 26

True or False: Mitochondria have their own DNA.

Answer 26

True

Question 27

What is the primary role of actin filaments in the cytoskeleton?

Answer 27

To facilitate cell movement and shape changes.

Question 28

Which organelle is involved in the transport of proteins to their final destinations?

Answer 28

Golgi apparatus.

Question 29

Fill in the blank: Mitochondria are involved in the _____ cycle.

Answer 29

Krebs

Question 30

What is the significance of the endoplasmic reticulum in protein synthesis?

Answer 30

It provides a site for ribosomes to synthesize proteins.

Question 31

True or False: Peroxisomes are larger than lysosomes.

Answer 31

False

Question 32

What structural feature distinguishes rough ER from smooth ER?

Answer 32

The presence of ribosomes on its surface.

Question 33

Fill in the blank: The cytoskeleton is critical for _____ transport.

Answer 33

intracellular

Question 34

What is the main energy currency produced by mitochondria?

Answer 34

ATP.

Question 35

True or False: The Golgi apparatus is responsible for the degradation of cellular components.

Answer 35

False

Question 36

What do you call the network of protein filaments and tubules that provide support in the cell?

Answer 36

Cytoskeleton.

Question 37

Fill in the blank: Mitochondria are involved in both _____ and aerobic respiration.

Answer 37

metabolism

Question 38

What is the function of the outer membrane of mitochondria?

Answer 38

To contain proteins that transport molecules into the mitochondria.

Question 39

True or False: Peroxisomes can be found in both plant and animal cells.

Answer 39

True

Question 40

What is the role of the cytoskeleton in cell division?

Answer 40

To assist in the separation of chromosomes.

Question 41

Fill in the blank: The smooth endoplasmic reticulum is abundant in _____ cells.

Answer 41

liver

Question 42

What is the process by which lysosomes digest cellular debris?

Answer 42

Autophagy.

Question 43

True or False: Mitochondria play no role in apoptosis.

Answer 43

False