9.1 Energy and Life

Explain how ATP is useful to cells.

• It stores and releases energy for cellular processes.

• It acts as a structural component of cell membranes.

• It transports oxygen in the bloodstream.

• It provides insulation to nerve cells.

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Explain what happens during the process of photosynthesis.

• Plants convert sunlight into chemical energy.

• Animals produce energy from oxygen.

• Fungi decompose organic matter.

• Bacteria convert nitrogen into ammonia.

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What happens when chemical bonds are broken?

• Energy is absorbed

• Energy is released

• Energy is destroyed

• Energy is unchanged

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What happens to energy when chemical bonds are reformed?

• More energy is released

• Energy remains the same

• Less energy is available

• Energy is completely lost

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How do living organisms obtain energy?

• Water and air

• Sunlight and food

• Soil and minerals

• Wind and rain

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How is energy stored within compounds?

• In the form of light

• In chemical bonds

• As electrical charges

• As magnetic fields

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What does ATP stand for?

• Adenosine Diphosphate

• Adenosine Triphosphate

• Adenosine Monophosphate

• Adenosine Tetraphosphate

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What is the role of phosphate groups in ATP?

• They store energy in high energy bonds.

• They release oxygen.

• They convert ATP to glucose.

• They form proteins.

What happens when a phosphate bond in ATP is broken?

• Energy is absorbed.

• Energy is released.

• ATP becomes glucose.

• ATP becomes water.

What does ATP become when it loses a phosphate group?

• AMP - Adenosine Monophosphate

• ADP - Adenosine Diphosphate

• ADT - Adenosine Triphosphate

• AQP - Adenosine Quadrophosphate

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