AP Biology Quick 10: ATP Structure and Function

What is the structure of ATP?

• ATP consists of ribose, adenine, and three phosphate groups.

• ATP consists of ribose, guanine, and three phosphate groups.

• ATP consists of deoxyribose, adenine, and three phosphate groups.

• ATP consists of ribose, adenine, and two phosphate groups.

Which biomolecule does ATP most closely resemble?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

What is the function of ATP in cells?

• ATP is the main energy source for cells.

• ATP is responsible for cell structure.

• ATP is involved in cell division.

• ATP is used for cell communication.

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How does ATP provide energy for cellular processes?

• conversion of water into oxygen

• absorption of sunlight

• oxidation of glucose molecules

• hydrolysis of its high-energy phosphate bonds

What enzyme is responsible for synthesizing ATP?

• ATP polymerase

• ATP synthase

• ATPase

• ATP generator

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Which molecule has more STABLE bonds?

• ATP

• ADP

Where does the majority of ATP synthesis occur in cells?

• nucleus

• cytoplasm

• mitochondria

• endoplasmic reticulum

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What happens when ATP is hydrolyzed?

• ATP is converted into glucose

• ATP is converted into oxygen

• ATP is converted into water

• ATP is broken down into ADP and inorganic phosphate (Pi)

Is the conversion of ATP to ADP an endergonic or exergonic reaction?

• Endergonic

• Exergonic

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