Cancer Cells

What is the main characteristic of cancer cells in terms of growth and division?

• They don't stop growing and dividing when there are enough of them

• They repair themselves when damaged

• They specialize and mature

• They stop growing and dividing when needed

Answer explanation

Cancer cells don't stop growing and dividing when there are enough of them, which is their main characteristic in terms of growth and division.

What characteristic distinguishes normal cells from cancer cells under a microscope?

• Single nucleus

• Abnormal shape and size

• Uniform size and shape

• Specific role to perform

Answer explanation

Under a microscope, cancer cells can be distinguished from normal cells by their abnormal shape and size.

What is the process called when cancer cells spread throughout the body?

• Apoptosis

• Tumor formation

• Cell division

• Metastasis

Answer explanation

Metastasis is the process when cancer cells spread throughout the body, different from apoptosis, tumor formation, or cell division.

What happens when cancer cells lose the molecules on their surface?

• They undergo apoptosis

• They specialize and mature

• They break away from their neighbors

• They stop growing and dividing

Answer explanation

When cancer cells lose the molecules on their surface, they break away from their neighbors, leading to metastasis and spreading to other parts of the body.

What is the main characteristic of malignant tumors?

• They are contained to the tumor

• They grow slowly

• They are made of cancer cells that invade nearby tissues

• They never need treatment

Answer explanation

The main characteristic of malignant tumors is that they are made of cancer cells that invade nearby tissues.

What is the main cause of cancer cells multiplying uncontrollably?

• Ignoring signals to stop growing

• Listening to signals to stop dividing

• Carrying on maturing and specializing

• Repairing themselves when damaged

Answer explanation

The main cause of cancer cells multiplying uncontrollably is ignoring signals to stop growing, which leads to uncontrolled cell division and tumor formation.

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What is the main characteristic of cancer cells under a microscope?

• Specific role to perform

• Uniform size and shape

• Single nucleus

• Abnormal shape and size

Answer explanation

Cancer cells exhibit abnormal shape and size when viewed under a microscope, distinguishing them from normal cells.

What is the primary reason cancer cells can grow uncontrollably?

• They ignore signals to stop dividing

• They repair themselves when damaged

• They mature and specialize

• They stop growing when needed

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Which process allows cancer cells to spread to other parts of the body?

• Apoptosis

• Metastasis

• Cell division

• Tumor formation

What is a key difference between cancer cells and normal cells when viewed under a microscope?

• Uniform size and shape

• Abnormal shape and size

• Single nucleus

• Specific role to perform