$C_6H_{12}O_6 + 6 \mathrm{O}_2 \rightarrow 6 \mathrm{CO}_2 + 6 \mathrm{H}_2O + \text{ATP}$

Question 1

Which of the following structures is found in both prokaryotic and eukaryotic cells?

Accepted Answer

Ribosomes

Question 2

A scientist observes a cell with a cell wall, chloroplasts, and a large central vacuole. Which type of cell is most likely being observed?

Accepted Answer

Plant cell

Question 3

If a eukaryotic cell's rough endoplasmic reticulum (ER) is damaged, which process would be most directly affected?

Accepted Answer

Protein synthesis for secretion

Question 4

Which organelle is primarily responsible for packaging and modifying proteins before they are sent to their final destination?

Accepted Answer

Golgi apparatus

Question 5

A mutation causes a cell to lack functional lysosomes. What is the most likely consequence?

Accepted Answer

Accumulation of undigested macromolecules

Question 6

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

Accepted Answer

$C_6H_{12}O_6 + 6 \mathrm{O}_2 ightarrow 6 \mathrm{CO}_2 + 6 \mathrm{H}_2O + 	ext{ATP}$

Question 7

Which cytoskeletal element is most directly involved in muscle contraction?

Accepted Answer

Actin filaments

Question 8

A cell is observed to have a high density of mitochondria. Which of the following is the most likely function of this cell?

Accepted Answer

High energy production, such as in muscle contraction

Question 9

Which of the following statements about the endosymbiotic theory is correct?

Accepted Answer

Mitochondria and chloroplasts evolved from engulfed prokaryotic cells.

Question 10

Which structure allows plant cells to communicate and transport materials directly between adjacent cells?

Accepted Answer

Plasmodesmata

Question 11

A cell is observed to have extensive smooth ER. Which function is most likely enhanced in this cell?

Accepted Answer

Lipid synthesis and detoxification

Question 12

Which of the following is a function of the large central vacuole in plant cells?

Accepted Answer

Storage of water and maintenance of turgor pressure

Question 13

Which organelle is responsible for the synthesis of ribosomal RNA (rRNA)?

Accepted Answer

Nucleolus

Question 14

A cell is unable to produce glycoproteins for secretion. Which organelle is most likely malfunctioning?

Accepted Answer

Rough ER

Question 15

Which of the following best describes the role of peroxisomes in eukaryotic cells?

Accepted Answer

Oxidation of fatty acids and detoxification of alcohol

Question 16

Which cytoskeletal component is primarily responsible for maintaining the shape of the nucleus?

Accepted Answer

Intermediate filaments

Question 17

Which process involves the bulk transport of materials out of a cell?

Accepted Answer

Exocytosis

Question 18

A cell is observed to have many microvilli on its surface. What is the most likely function of this cell?

Accepted Answer

Increased surface area for absorption

Question 19

Which of the following is NOT a component of the endomembrane system?

Accepted Answer

Mitochondrion

Question 20

A cell is observed to have a large number of free ribosomes but few bound ribosomes. Which type of protein is this cell most likely producing?

Accepted Answer

Proteins for use within the cytosol

Cell Structure & Function: General Biology Study Notes

Study Guide - Practice Questions