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

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

Question 1

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

Accepted Answer

Mitochondrion

Question 2

A cell that specializes in detoxifying drugs and poisons, such as a liver cell, would likely have an abundance of which organelle?

Accepted Answer

Smooth endoplasmic reticulum

Question 3

Which structure is the site of ribosomal RNA (rRNA) synthesis and ribosome assembly?

Accepted Answer

Nucleolus

Question 4

If a cell is observed to have a large number of lysosomes, what is its most likely function?

Accepted Answer

Intracellular digestion

Question 5

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

Accepted Answer

Modifies, sorts, and packages proteins and lipids for secretion or delivery to other organelles

Question 6

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

Accepted Answer

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

Question 7

Which of the following is NOT part of the endomembrane system?

Accepted Answer

Mitochondria

Question 8

Which organelle is found in plant cells but not in animal cells and is responsible for photosynthesis?

Accepted Answer

Chloroplast

Question 9

A muscle cell requires large amounts of energy for contraction. Which organelle would you expect to be especially abundant in muscle cells?

Accepted Answer

Mitochondria

Question 10

Which of the following statements about the cytoskeleton is TRUE?

Accepted Answer

It is composed of microtubules, microfilaments, and intermediate filaments

Question 11

Which cellular structure is responsible for organizing microtubules and is crucial for cell division?

Accepted Answer

Centrosome

Question 12

Which of the following best explains the endosymbiotic theory for the origin of mitochondria and chloroplasts?

Accepted Answer

They evolved from prokaryotic cells engulfed by an ancestral eukaryotic cell

Question 13

Which of the following is a function of the plant cell vacuole?

Accepted Answer

Stores water and maintains turgor pressure

Question 14

Which type of cell junction allows for the passage of ions and small molecules between adjacent animal cells?

Accepted Answer

Gap junction

Question 15

Which of the following is a correct sequence for the pathway of a protein destined for secretion from a eukaryotic cell?

Accepted Answer

Rough ER → Golgi apparatus → vesicle → plasma membrane

Question 16

Which of the following best describes the role of motor proteins such as kinesin and dynein?

Accepted Answer

They transport cellular cargo along microtubules using ATP

Question 17

Which equation represents the photosynthesis process occurring in chloroplasts?

Accepted Answer

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

Question 18

Which of the following is a real-world example of cytoplasmic streaming, and what is its biological significance?

Accepted Answer

Movement of chloroplasts in plant cells to optimize light absorption

Question 19

Which component of the extracellular matrix is primarily responsible for connecting animal cells to the underlying connective tissue?

Accepted Answer

Fibronectin

Question 20

A cell is described as 'greater than the sum of its parts.' Which concept does this statement best illustrate?

Accepted Answer

Emergent properties

Chapter 6 - Part 2 Study Notes : A Tour of the Cell

Study Guide - Practice Questions