$$\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O} + \text{ATP}$$

$$\text{DNA} \rightarrow 2\text{DNA}$$

Question 1

Which of the following best describes the function of the plasma membrane in a generalized animal cell?

Accepted Answer

It acts as a selective barrier, controlling the entry and exit of substances.

Question 2

During which phase of the cell cycle does DNA replication occur, preparing the cell for division?

Accepted Answer

S Phase

Question 3

A cell is observed with chromosomes aligned at the center of the cell. Which stage of mitosis is this?

Accepted Answer

Metaphase

Question 4

Which organelle is responsible for modifying and packaging proteins for secretion?

Accepted Answer

Golgi apparatus

Question 5

If a cell is exposed to a toxin that inhibits ribosome function, which cellular process would be most directly affected?

Accepted Answer

Protein synthesis

Question 6

Which structure directs the formation of the mitotic spindle during cell division?

Accepted Answer

Centrioles

Question 7

What is the primary function of the mitochondria in animal cells?

Accepted Answer

Breaking down food to produce ATP

Question 8

Which of the following is NOT a function of the smooth endoplasmic reticulum?

Accepted Answer

Protein synthesis

Question 9

During prophase of mitosis, which of the following events occurs?

Accepted Answer

Chromatin coils into chromosomes and the nuclear envelope breaks down.

Question 10

A patient’s cells are unable to form a cleavage furrow during cell division. Which process is most directly impaired?

Accepted Answer

Cytokinesis

Question 11

Which equation best represents the process of ATP production in mitochondria?

Accepted Answer

$$	ext{C}_6	ext{H}_{12}	ext{O}_6 + 6	ext{O}_2 ightarrow 6	ext{CO}_2 + 6	ext{H}_2	ext{O} + 	ext{ATP}$$

Question 12

Which of the following best describes the role of the nuclear pores?

Accepted Answer

They allow for exchange of material between the nucleus and cytoplasm.

Question 13

A cell is observed with a newly formed nuclear envelope and nucleoli appearing in each daughter nucleus. Which stage of mitosis is this?

Accepted Answer

Telophase

Question 14

Which of the following is a correct sequence of events in mitosis?

Accepted Answer

Prophase → Metaphase → Anaphase → Telophase

Question 15

Which cellular structure is most directly involved in detoxification of drugs and poisons?

Accepted Answer

Smooth endoplasmic reticulum

Question 16

If a mutation prevents chromatin from condensing, which stage of mitosis would be most affected?

Accepted Answer

Prophase

Question 17

Which of the following is TRUE regarding the rough endoplasmic reticulum?

Accepted Answer

It is studded with ribosomes and synthesizes proteins.

Question 18

A scientist observes a cell with two nuclei but only one cytoplasm. Which process has occurred, but not completed?

Accepted Answer

Mitosis

Question 19

Which of the following best explains why the fluid mosaic model is important for plasma membrane function?

Accepted Answer

It enables selective permeability and dynamic movement of proteins and lipids.

Question 20

Which equation represents the duplication of genetic material during DNA replication?

Accepted Answer

$$	ext{DNA} ightarrow 2	ext{DNA}$$

Cells and Mitosis: Structure, Function, and Division

Study Guide - Practice Questions