Question 1

Which organelle is primarily responsible for detoxifying a number of toxic substances within the cell?

Accepted Answer

Peroxisome

Question 2

During which phase of the cell cycle is DNA replicated?

Accepted Answer

Interphase S

Question 3

Which of the following does NOT pass through nuclear pores?

Accepted Answer

Chromatin

Question 4

The double membrane structure is unique to which organelle?

Accepted Answer

Mitochondrion

Question 5

Which type of endocytosis engulfs the most specific type of molecule or material?

Accepted Answer

Receptor-mediated endocytosis

Question 6

What is the main function of the rough endoplasmic reticulum?

Accepted Answer

Protein synthesis for export

Question 7

Which of the following is NOT a cytoskeleton element?

Accepted Answer

Centrioles

Question 8

Which organelle is often called the demolition crew of the cell due to its role in breaking down cellular debris?

Accepted Answer

Lysosome

Question 9

Which structure contains its own DNA, allowing it to replicate independently within the cell?

Accepted Answer

Mitochondrion

Question 10

What is the primary function of the Golgi apparatus?

Accepted Answer

Modification, sorting, and packaging of proteins

Question 11

Which process refers only to nuclear division, not the division of the entire cell?

Accepted Answer

Karyokinesis

Question 12

Which of the following best describes the plasma membrane?

Accepted Answer

The membrane surrounding the cell

Question 13

Which stage of mitosis is characterized by the alignment of chromosomes along the cell's equator?

Accepted Answer

Metaphase

Question 14

Which equation best represents the diffusion of water molecules across a membrane (osmosis)?

Accepted Answer

$$\pi = iMRT$$

Question 15

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

Accepted Answer

It will shrink due to water loss

Question 16

Which of the following is NOT a function of mitochondria?

Accepted Answer

Detoxification of toxic substances

Question 17

Which pair of rod-shaped structures, located just outside the nucleus, are perpendicular to one another and play a role in cell division?

Accepted Answer

Centrioles

Question 18

Which of the following is a major component of the cytoskeleton responsible for cell movement and shape?

Accepted Answer

Microfilaments

Question 19

Which organelle is responsible for synthesizing ribosomal RNA and assembling ribosome subunits?

Accepted Answer

Nucleolus

Question 20

Which stage of mitosis involves the separation of sister chromatids to opposite poles of the cell?

Accepted Answer

Anaphase

Chapter 2 Study guide

Guida di studio - Domande di pratica