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

Question 1

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

Accepted Answer

Mitochondria

Question 2

During which phase of the cell cycle does DNA replication occur?

Accepted Answer

S phase

Question 3

A scientist observes a cell with chromosomes aligned at the center of the cell and spindle fibers attached. Which stage of mitosis is being observed?

Accepted Answer

Metaphase

Question 4

Which structure regulates the movement of substances into and out of the cell?

Accepted Answer

Plasma membrane

Question 5

If a cell's lysosomes are nonfunctional, which process would be most affected?

Accepted Answer

Intracellular digestion of macromolecules

Question 6

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

Accepted Answer

Golgi apparatus

Question 7

A mutation disrupts the function of the nuclear envelope. What is the most likely consequence?

Accepted Answer

Impaired transport of mRNA out of the nucleus

Question 8

Which equation best represents the process of cellular respiration occurring in mitochondria?

Accepted Answer

$ \mathrm{C_6H_{12}O_6} + 6\mathrm{O_2} ightarrow 6\mathrm{CO_2} + 6\mathrm{H_2O} + 	ext{ATP} $

Question 9

Which of the following best describes the function of ribosomes?

Accepted Answer

Produce proteins by translating mRNA

Question 10

A patient’s cells are unable to divide due to a defect in spindle fiber formation. Which phase of mitosis is most directly affected?

Accepted Answer

Anaphase

Question 11

Which organelle contains digestive enzymes and is involved in breaking down old cell parts?

Accepted Answer

Lysosome

Question 12

What is the primary function of the nucleolus?

Accepted Answer

Ribosome synthesis

Question 13

Which phase of the cell cycle is characterized by cell growth and preparation for DNA synthesis?

Accepted Answer

G1 phase

Question 14

A cell is observed with two distinct nuclei forming and chromosomes decondensing. Which stage of mitosis is this?

Accepted Answer

Telophase

Question 15

Which of the following is NOT a function of the plasma membrane?

Accepted Answer

Synthesizing proteins

Question 16

If a cell is placed in a hypotonic solution, what will happen to the cell?

Accepted Answer

It will swell and may burst due to water influx

Question 17

Which organelle is most directly involved in the synthesis of membrane-bound and secretory proteins?

Accepted Answer

Rough endoplasmic reticulum

Question 18

A cell is unable to produce enough energy for its activities. Which organelle is most likely malfunctioning?

Accepted Answer

Mitochondria

Question 19

Which of the following best describes the relationship between chromatin and chromosomes?

Accepted Answer

Chromosomes are the condensed form of chromatin during cell division

Question 20

Which equation represents the net movement of water across a semipermeable membrane due to osmosis?

Accepted Answer

$ \Delta \Psi = \Psi_{inside} - \Psi_{outside} $

LAB Chapter 3: The Cell – Anatomy and Division

Study Guide - Practice Questions