Question 1

Which organelle is primarily responsible for producing ATP through cellular respiration in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 2

A cell is observed to have an abundance of rough endoplasmic reticulum. What is the most likely function of this cell?

Accepted Answer

Production of proteins for secretion

Question 3

Which structure is responsible for packaging and sorting proteins before they are sent to their destination?

Accepted Answer

Golgi apparatus

Question 4

During mitosis, which organelle plays a critical role in organizing the spindle fibers?

Accepted Answer

Centrosome

Question 5

A genetic disorder causes the breakdown of cellular waste to be impaired. Which organelle is most likely malfunctioning?

Accepted Answer

Lysosome

Question 6

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

Accepted Answer

Assembly of ribosomal subunits

Question 7

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

Accepted Answer

Regulation of material entry and exit

Question 8

Which cytoskeletal element is primarily responsible for maintaining cell shape and resisting tension?

Accepted Answer

Intermediate filaments

Question 9

A cell specialized for absorption in the intestine has many microvilli. What is the main advantage provided by microvilli?

Accepted Answer

Increase in surface area for absorption

Question 10

Which organelle is involved in the synthesis of lipids and detoxification of harmful substances?

Accepted Answer

Smooth endoplasmic reticulum

Question 11

During the cell cycle, DNA replication occurs during which phase?

Accepted Answer

S phase

Question 12

Which equation best represents the overall reaction for cellular respiration occurring in mitochondria?

Accepted Answer

$$C_6H_{12}O_6$ + 6\ O_2$ \rightarrow 6\ CO_2$ + 6\ H_2O + ATP$$

Question 13

A cell is unable to secrete proteins outside the plasma membrane. Which organelle is most likely defective?

Accepted Answer

Golgi apparatus

Question 14

Which of the following is NOT a function of the cytoskeleton?

Accepted Answer

Synthesizing proteins

Question 15

A patient has a genetic mutation affecting the peroxisomes. Which cellular process is most likely impaired?

Accepted Answer

Breakdown of fatty acids and detoxification of hydrogen peroxide

Question 16

Which organelle is directly involved in the formation of lysosomes?

Accepted Answer

Golgi apparatus

Question 17

If a cell is unable to divide due to a malfunction in spindle fiber formation, which structure is most likely affected?

Accepted Answer

Centrosome

Question 18

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

Accepted Answer

Synthesis of proteins from amino acids

Question 19

A cell is observed to have a large number of lysosomes. Which function is this cell most likely specialized for?

Accepted Answer

Digestion and breakdown of cellular debris

Question 20

Which of the following structures is NOT found in all eukaryotic cells?

Accepted Answer

Centrioles

Chapter 2: The Cell – Structure and Function

Study Guide - Practice Questions