Question 1

Which organelle is primarily responsible for modifying and packaging proteins synthesized on the rough endoplasmic reticulum?

Accepted Answer

Golgi apparatus

Question 2

A patient presents with a lysosomal storage disease. Which cellular function is most likely impaired?

Accepted Answer

Degradation of bacteria and old organelles

Question 3

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

Accepted Answer

A series of hollow curved sacs called cisternae stacked on top of one another and surrounded by vesicles

Question 4

Peroxisomes play a critical role in cellular metabolism by:

Accepted Answer

Breaking down long-chain fatty acids and some foreign molecules

Question 5

Which of the following is TRUE regarding the nuclear envelope?

Accepted Answer

It is a double-membrane structure pierced by nuclear pores

Question 6

A scientist isolates a vesicle containing enzymes that generate and break down hydrogen peroxide. This vesicle is most likely a:

Accepted Answer

Peroxisome

Question 7

Which of the following organelles is directly involved in the control of ribosomal RNA synthesis?

Accepted Answer

Nucleolus

Question 8

If a cell is unable to package proteins into vesicles for secretion, which organelle is most likely malfunctioning?

Accepted Answer

Golgi apparatus

Question 9

Which of the following best explains why lysosomes have an acidic interior?

Accepted Answer

To optimize the activity of digestive enzymes

Question 10

A mutation prevents the formation of nuclear pores in a cell. What is the most likely consequence?

Accepted Answer

Communication between the nucleus and cytoplasm is disrupted

Question 11

Which of the following vesicles is responsible for releasing substances from the cell?

Accepted Answer

Secretory vesicle

Question 12

Which organelle contains chromatin, a material composed of DNA and associated proteins?

Accepted Answer

Nucleus

Question 13

A cell is observed to have an abundance of vesicles containing digestive enzymes. What is the most likely function of these vesicles?

Accepted Answer

Degradation of cellular debris

Question 14

Which of the following statements about peroxisomes is correct?

Accepted Answer

They generate and break down hydrogen peroxide

Question 15

If a cell's Golgi apparatus is damaged, which process would be most directly affected?

Accepted Answer

Protein modification and packaging

Question 16

Which organelle is surrounded by a double membrane and contains nuclear pores?

Accepted Answer

Nucleus

Question 17

A cell is unable to degrade long-chain fatty acids. Which organelle is most likely defective?

Accepted Answer

Peroxisome

Question 18

Which of the following is NOT a function of the Golgi apparatus?

Accepted Answer

Synthesis of ribosomal RNA

Question 19

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

Accepted Answer

Golgi apparatus

Question 20

Which of the following best describes the role of the nucleolus?

Accepted Answer

Control of ribosomal RNA synthesis

Ch 3b Compartmentation: Cells and Tissues – Structure and Function in Human Physiology

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