What happens during G2 of the cell cycle?

The cell prepares for mitosis and checks replicated DNA

Two daughter cells immediately form

What is the main purpose of mitosis?

To separate copied chromosomes into two nuclei

What happens during cytokinesis?

The cytoplasm divides and two daughter cells form

Chromosomes line up in the center

Which sequence shows the correct order of the major stages of the cell cycle?

G1 → S → G2 → Mitosis → Cytokinesis

S → G1 → Mitosis → G2 → Cytokinesis

Mitosis → S → G1 → Cytokinesis → G2

G2 → G1 → S → Cytokinesis → Mitosis

Which sequence shows the correct order of mitosis?

Prophase → Metaphase → Anaphase → Telophase

Metaphase → Prophase → Telophase → Anaphase

Anaphase → Prophase → Metaphase → Telophase

Telophase → Anaphase → Metaphase → Prophase

What happens during prophase?

Chromosomes condense and become visible

What happens during metaphase?

Chromosomes line up across the middle of the cell

Sister chromatids move to opposite ends

What happens during anaphase?

Sister chromatids separate and move to opposite ends of the cell

What happens during telophase?

New nuclei begin to form around each set of chromosomes

Chromosomes line up in the center

The cell enters G1 before chromosomes separate

How does the cell cycle help a salamander regenerate a lost limb?

Cells repeatedly divide to produce new cells that replace lost tissue

Cells stop dividing permanently

How does the DNA in normal daughter cells compare with the DNA in the parent cell?

The daughter cells receive the same genetic information as the parent cell

Each daughter cell receives half of the parent's genes

The daughter cells receive completely different DNA

The daughter cells contain no chromosomes

What is the main purpose of cell-cycle checkpoints?

To check whether the cell is ready to continue through the cycle

To make cells divide as quickly as possible

To remove all mutations from an organism

If a checkpoint detects damage, which response can help prevent the damage from being passed to daughter cells?

Pause the cell cycle so the damage can be repaired

A checkpoint fails to detect misaligned chromosomes, and the damaged cell continues dividing without regulation. What is the most likely result?

Uncontrolled cell division that may contribute to cancer

The cell immediately becomes specialized

Which statement best explains the relationship between cancer and the cell cycle?

Cancer can occur when cells divide repeatedly without proper regulation

Cancer occurs when all cell division stops

Cancer occurs when cells produce too little ATP

Cancer is caused by normal cytokinesis

Why do humans have many different types of specialized cells?

Different cell types perform different functions needed by the body

Every cell has completely different DNA

Specialized cells cannot contain chromosomes

Each organ is made of only one cell

What is cell specialization?

The development of cells with specific structures and functions

The copying of DNA before mitosis

The movement of materials across a membrane

What is cell differentiation?

The process by which unspecialized cells become specialized

The process of copying chromosomes

The process of separating sister chromatids

An unspecialized cell that can develop into one or more specialized cell types

A fully specialized cell that cannot change

Most somatic cells in the same person contain the same full set of chromosomes. How can they become different types of specialized cells?

Different genes are turned on or off in different cells

Each cell receives a different DNA sequence

Specialized cells remove all unused chromosomes

If a gene is repressed or silenced, what does that mean?

The gene has moved to another chromosome

Do all cells express every gene found in their DNA?

No. Different cell types express different sets of genes

Yes. Every gene is always active in every cell

No. Specialized cells contain no genes

Which is an example of an INTERNAL factor that can affect gene expression?

Hormones or regulatory proteins produced inside the organism

Exposure to a chemical pollutant

Which is an example of an EXTERNAL factor that can affect gene expression?

Temperature or exposure to chemicals in the environment

Chromosomes already inside the nucleus

A regulatory protein produced by the cell

The cell's existing DNA sequence

Two cells contain the same DNA. One becomes a muscle cell and the other becomes a nerve cell. Which statement best explains this difference?

Different genes are expressed in the two cells

The cells contain different numbers of chromosomes

The nerve cell has DNA but the muscle cell does not

The muscle cell copied its DNA but the nerve cell did not

U3 Review Cell Cycle and Specialization Quiz

Authored by BEN HERZOG

Biology

9th Grade

HS-LS1-4 covered

Used 16+ times

U3 Review Cell Cycle and Specialization Quiz

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36 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are cells generally microscopic instead of extremely large?

Small cells have a larger surface-area-to-volume ratio, allowing materials to move in and out efficiently

Small cells contain more DNA than large cells

Large cells cannot make ATP

Large cells do not have cell membranes

Tags

MS-LS1-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organelle provides most of the ATP used for active transport in a eukaryotic cell?

Nucleus

Mitochondrion

Ribosome

Golgi apparatus

Tags

HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cell in a stressful environment requires more active transport to maintain homeostasis. Which organelle might the cell produce more of?

Mitochondria

Nuclei

Cell walls

Chromosomes

Tags

HS-LS1-3

HS-LS1-7

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main purpose of the cell cycle?

To produce new cells for growth, repair, and replacement

To produce glucose

To remove all DNA from a cell

To make cells permanently stop growing

Tags

HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during G1 of the cell cycle?

The cell grows and performs normal functions

DNA is copied

Chromosomes line up in the middle

The cytoplasm divides

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens during the S phase of the cell cycle?

The cell divides into two daughter cells

DNA is replicated

Chromosomes separate

The cell undergoes apoptosis

Tags

HS-LS3-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After S phase is complete, how does the amount of DNA compare with the amount before S phase?

The amount of DNA has doubled

The amount of DNA has been cut in half

The amount of DNA is unchanged

The cell no longer contains DNA

Tags

HS-LS1-4

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