Cell Differentiation and Stem Cells

What does every cell in your body contain?

• Various carbohydrates

• Unique proteins

• The same DNA

• Different DNA

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What can embryonic stem cells develop into?

• Only blood cells

• Only skin cells

• Specific cell types

• Any type of cell in the organism

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Why do cells begin to specialize during development?

• Random selection

• Genes are switched on or off

• Because of the food they absorb

• Due to exposure to sunlight

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What triggers the specialization of embryonic stem cells?

• Nutritional factors

• Physical exercise

• Environmental temperature

• Gene activation

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What allows cells to make different structures?

• The combination of genes activated

• The amount of water they contain

• Their location in the body

• The type of food consumed

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What is the main difference between embryonic and adult stem cells?

• Embryonic stem cells are found in adults

• Adult stem cells can become any cell type

• Adult stem cells do not exist

• Embryonic stem cells can become any cell type

Where can adult stem cells typically be found?

• Throughout the entire body

• In the brain only

• In the type of tissue they can form

• Only in the liver

What is the primary function of differentiation in adult humans?

• Repair and replacement

• Growth

• Energy production

• Digestion

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What is the role of adult stem cells in the body?

• To enhance brain function

• To aid in digestion

• To maintain tissues and organs

• To provide energy

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How many new red blood cells are created every second?

• 2 thousand

• 20 million

• 200 thousand

• 2 million

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