Y9 Mitosis and Differentiation

What happens to cells during differentiation?

• A. They gain the ability to build entire organisms.

• B. They develop specific structures and organelles.

• C. They become stem cells and divide into zygotes.

• D. They lose the potential to develop into any type of cell.

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NGSS.HS-LS1-4

Mitosis is the process by which __________.

• A. the cell rests

• B. cytoplasm is divided

• C. microtubules are assembled

• D. the nucleus is divided into two nuclei

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NGSS.HS-LS1-4

Which of these processes results in cells losing their potential to become any type of cell?

• A. apoptosis

• B. specialization

• C. cytokinesis

• D. differentiation

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NGSS.HS-LS1-4

Cells in the body that can divide repeatedly and become other types of cells are called __________.

• A. stem cells

• B. embryo cells

• C. connective cells

• D. reproductive cells

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NGSS.HS-LS1-4

How are mitosis and cytokinesis different?

• A. Cytokinesis occurs in plant cells, while mitosis occurs in animal cells.

• B. Cytokinesis occurs in animal cells, while mitosis occurs in plant cells.

• C. Cytokinesis is the division of the cytoplasm, while mitosis is the division of the nucleus.

• D. Cytokinesis is the division of the nucleus, while mitosis is the division of the cytoplasm.

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NGSS.HS-LS1-4

How is binary fission different from vegetative reproduction?

• A. Binary fission occurs slowly, while vegetative reproduction occurs rapidly.

• B. Binary fission occurs in plants, while vegetative reproduction occurs in animals.

• C. Binary fission is a type of asexual reproduction, while vegetative reproduction is a type of sexual reproduction.

• D. Binary fission occurs in single-celled organisms, while vegetative reproduction occurs in multicellular organisms.

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NGSS.MS-LS3-2

Stem cells are

• cells that grow uncontrollably
• undifferentiated and can be any type of cell
• never go through cell division
• only found in embryos

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NGSS.HS-LS1-4

What process best explains how muscle cells and nerve cells can develop from the same fertilized egg?

• genetic engineering
• survival of the fittest
• differentiation
• selective breeding

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NGSS.HS-LS1-4

Which best explains why muscle cells are different from blood cells?

• Muscle cells are produced by the brain, but blood cells are produced by the heart. 
• Different genes are activated in muscle cells than in blood cells. 
• Muscles cells experience different environmental influences than blood cells. 
• A mutation occurs during the development of muscle cells but not in blood cells. 

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NGSS.MS-LS3-1

How many daughter cells are produced in mitosis?

• 1
• 2
• 4
• 6

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