Question 1

Which type of cell is depicted in the image above, and what is a defining feature that distinguishes it from prokaryotic cells?

Accepted Answer

It is a eukaryotic cell; it contains membrane-bound organelles such as a nucleus.

Question 2

Which organelle, visible in the image, is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondrion

Question 3

What is the primary function of the structure surrounding the cell in the image?

Accepted Answer

To regulate the movement of substances into and out of the cell

Question 4

Which structure in the image is responsible for packaging and modifying proteins for transport?

Accepted Answer

Golgi complex

Question 5

If a cell is unable to detoxify drugs and produce phospholipids, which organelle is most likely malfunctioning?

Accepted Answer

Smooth endoplasmic reticulum

Question 6

Which structure in the image is primarily involved in the synthesis of ribosomal RNA?

Accepted Answer

Nucleolus

Question 7

What is the function of the cytoskeleton, as represented in the image?

Accepted Answer

It provides shape, support, and facilitates movement within the cell.

Question 8

Which process occurs in the cytoplasm and results in the splitting of glucose into two pyruvate molecules?

Accepted Answer

Glycolysis

Question 9

If a cell's lysosomes are nonfunctional, what would most likely occur?

Accepted Answer

The cell would accumulate waste and damaged organelles.

Question 10

Which of the following best describes the movement of water across the plasma membrane?

Accepted Answer

Osmosis

Question 11

Which phase of cellular respiration produces the greatest amount of ATP, and where does it occur?

Accepted Answer

Electron transport chain; inner mitochondrial membrane

Question 12

A muscle cell is observed to have an unusually high number of mitochondria. What is the most likely explanation for this observation?

Accepted Answer

The cell requires a large amount of energy for contraction.

Question 13

Which of the following is a function of glycoproteins in the plasma membrane?

Accepted Answer

Providing recognition between cells

Question 14

Which process involves the engulfing of large particles or bacteria by the plasma membrane?

Accepted Answer

Phagocytosis

Question 15

What would happen to a cell placed in a hypotonic solution?

Accepted Answer

Water would move into the cell, causing it to swell.

Question 16

Which organelle is responsible for sorting, modifying, and packaging proteins for secretion or delivery to other organelles?

Accepted Answer

Golgi complex

Question 17

Which cytoskeletal element is primarily responsible for muscle contraction and the pinching of the cell during division?

Accepted Answer

Microfilaments

Question 18

During strenuous exercise, muscle cells switch to fermentation. What is the main waste product, and what happens to it after exercise?

Accepted Answer

Lactic acid; it is converted back to pyruvate in the liver.

Question 19

Which of the following best explains why cells are small in size?

Accepted Answer

To maximize the surface-to-volume ratio for efficient exchange of materials.

Question 20

Which of the following statements about the nucleus is correct?

Accepted Answer

It contains the cell's genetic material organized as chromosomes.

The Cell: Structure, Function, and Energy Generation

Study Guide - Practice Questions