Chapter 10 Biology Test

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Interphase

Normal cells of the body spend most of their time in which phase of the cell cycle

Mutated

All of these items increase the likelihood of cells becoming __________ which means that cells may not repair and follow a proper cell division cycle.

Decreases

As a cells size increases, what happens to the surface area to volume ratio

Quickly

At what speed do cancer cells divide

Interphase

Cancer cells spent less time and what phase

Cell division

Cancer is when what cell process is uncontrolled

A tumor or cancer cells have spread from the original source

Define what happens if the body goes through metastasis

Faster

Do cancer cells grow faster or slower than normal cells

Yes

Do cells have the ability to start growing again after they stopped

No

Do muscle and nerve cells divide once they are developed

Yes

Do the skin, digestive tract, and bone marrow grow and divide

The cell grows and synthesizes new proteins and organelles

Explain what happens in the G1 phase

prepares for mitosis

Explain what happens in the G2 phase

Starts the process of cell division

Explain what happens in the M-phase

Where chromosomes are copied

Explain what happens in the S phase

They perform a biopsy

How do doctors determine if a tumor is cancerous

Chemotherapy kills normal cells

How does the body lose energy due to cancer

Carcinogens, genetics, virus, radiation

List 4 possible causes of cancer

Prophase

Longest period of mitosis

Interphase

Longest period of the cell cycle

False

True or false: Cancer cells stay in one place and cannot break away

True

True or false: cancer cells can grip and grab onto other cells and tissue

Surgery, chemotherapy, and radiation

What are 3 treatments for cancer

G1, S, and G2

What are the 3 states in interphase (in order)

Prophase, metaphase, anaphase, and telophase

What are the 4 phases in mitosis (in order)

To direct cells to speed up or slow down cell growth and division

What are the external regulators job

To proceed only when certain processes have happened inside the cell

What are the internal regulators job

Benign and malignant

What are the two types of tumors called

Cancer

What disease does uncontrolled cell division lead to

Cytokinesis

What divides the cytoplasm

Mitosis

What divides the nucleus

Halts cell cycle until all chromosomes have been properly replicated

What does the gene p53 do

The cell dies from either starving to death or by becoming toxic from its own wastes

What happens if a cell gets too big and its nutrients and DNA aren't getting to where they need to be

Does not migrate to other parts of the body and does not harm other body parts

What is a benign tumor

Can migrate to other parts of the body, potentially causing cancer spread in the body

What is a malignant tumor

A cluster of cells going through the uncontrolled mitosis

What is a tumor

G2 phase

What is the shortest phase in interphase

Cyclin

What protein did scientists say they found to help regulate the cell cycle

Centrosomes

What region does the centrioles lie in


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