Unit 5 Lessons 6-8 Cells

What is the function of a nerve cell in a multicellular organism?

• Make and move protein

• Store and distribute oxygen

• Produce and manage movement

• Carry and transmit signals

How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism?

• They are small because they lack a nucleus

• They are long and thin with a tail-like end.

• They are flexible because they lack a plasma membrane

• They are small because their organelles are smaller than those of other cells

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How do dendrites help the function of nerve cells?

• They help the neuron receive messages from the dendrites of another neuron

• They help the neuron block messages from the axon of another neuron

• They help the neuron receive messages from the axon of another neuron

• They help the neuron block messages from the dendrites of another neuron

How might a red blood cell work with a neuron to support the function of a multicellular organism?

• A red blood cell may produce more neurons

• A neuron may signal when and where oxygen is needed

• A neuron may produce more red blood cells

• a red blood cell may carry oxygen to the nucleus of a neuron

How are red blood cells and neurons different?

• Neurons contain DNA, but red blood cells do not

• Neurons are are all the same size, but red blood cells are different sizes

• Neurons need oxygen, but red blood cells do not

• Neurons lack organelles, but red blood cells have organelles

What is the first phase of mitosis?

• Telophase

• Prophase

• Anaphase

• Metaphase

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During which phase of mitosis do the chromosomes align at the middle part of the cell?

• Prophase

• Anaphase

• Telophase

• Metaphase

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At which stage of the cell cycle does cell division occur?

• Cell growth

• Mitosis

• Interphase

• Quiescence

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What is a tumor?

• A cell that results from mitosis

• A mass of cells

• A checkpoint in the cell cycle

• A stage in the cell cycle

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