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Biology Chapter 11 Lesson 3 Quiz

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Questions and Answers

What are growth factors?

Substances that inhibit cell growth

Elements that cause apoptosis

Proteins that regulate metabolic processes

Stimulate the growth and division of cells (correct)

What is a cyclin?

One of a family of proteins that regulates the cell cycle in eukaryotic cells

What is apoptosis?

Process of programmed cell death

What is cancer?

<p>Disorder in which some of the body's cells lose the ability to control growth</p> Signup and view all the answers

What is a tumor?

<p>Mass of rapidly dividing cells that can damage surrounding tissue</p> Signup and view all the answers

Study Notes

Key Terms in Cell Cycle Regulation

Growth Factors
- Chemicals that promote cell growth and division.
- Essential for tissue repair and development.
Cyclin
- A family of proteins crucial for regulating the eukaryotic cell cycle.
- Cyclins bind to cyclin-dependent kinases (CDKs) to initiate and control various phases of the cell cycle.
Apoptosis
- A form of programmed cell death vital for maintaining healthy cell populations.
- Plays an important role in development and eliminating damaged or unnecessary cells.
Cancer
- A disease characterized by uncontrolled cell growth.
- Cells may ignore signals that regulate the cell cycle, leading to tumor formation.
Tumor
- A collection of rapidly dividing cells that can invade and damage neighboring tissues.
- Tumors can be benign (non-cancerous) or malignant (cancerous).

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Description

Test your knowledge on the regulation of the cell cycle with this informative quiz. It covers key concepts including growth factors, cyclins, apoptosis, and cancer. Perfect for biology students looking to reinforce their understanding of cellular processes.