Modern Biology Chapter

Which of the following statements is true for all cells?

• They use solar energy
• They use photosynthesis
• They use chemical energy
• They use chemosynthesis

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NGSS.HS-LS1-7

NGSS.HS-LS2-3

Which phrase best describes the function of the ATP molecule?

• stores energy
• carries energy
• absorbs energy
• converts energy

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NGSS.HS-LS1-7

Where does the chemical energy produce ATP come from?

• the conversion of ATP to ADP
• the use of chemicals from the environment to build sugars
• the addition of a phosphate group to ATP
• the breakdown of carbon-based molecules into smaller molecules

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NGSS.HS-LS1-7

Energy is released from an ATP molecule for cellular processes when it

• has a phosphate group removed
• stores an extra phosphate group
• converts a phosphate group to ADP
• produces a sugar molecule

Which of the following is the source of energy used in chemosynthesis?

• sunlight
• heat from hydrothermal vents
• chemical compounds
• amino acids

Which of the following statements best describes the process of photosynthesis?

• Plants use oxygen to make simple sugars.
• Chlorophyll builds sugars in the thylakoid membrane.
• Light breaks down water molecules and releases carbon dioxide.
• Chloroplasts absorb sunlight and store chemical energy.

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the term for an organism that makes its own source of chemical energy?

• decomposer
• producer
• chloroplast
• protist

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NGSS.HS-LS1-5

NGSS.HS-LS2-5

The main light-absorbing molecules found in plant leaves are called

• chloroplasts
• thylakoids
• chlorophyll
• grana

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NGSS.MS-LS1-6

The function of the light- dependent reactions is to

• build sugars
• capture and transfer energy
• release carbon dioxide
• form water molecules

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NGSS.HS-LS1-5

The light- independent reactions of photosynthesis need

• carbon dioxide
• oxygen
• water
• cellulose

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NGSS.HS-LS2-5