ATP and Cellular Energy Quiz

What is the primary function of ATP in cells?

• To store genetic information

• To carry energy for cell functions

• To produce proteins

• To regulate cell division

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Why can't cells directly use the energy from food molecules?

• Food molecules are too large

• The energy is not in a usable form

• Cells lack the necessary enzymes

• Food molecules are toxic to cells

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Which analogy best describes the relationship between food and ATP?

• Food is like a bank account, ATP is like a debit card

• Food is like a check, ATP is like cash

• Food is like a loan, ATP is like interest

• Food is like a credit card, ATP is like a receipt

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What happens to the overall energy in the cell when ATP is broken down to ADP?

• Energy is absorbed by the cell

• Energy is released for the cell to use

• Energy remains constant

• Energy is converted to heat

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Which process requires more energy?

• Breaking ATP into ADP and a phosphate

• Joining ADP and a phosphate to form ATP

• Storing ATP in the cell

• Transporting ATP within the cell

Why is ATP considered an unstable molecule?

• It easily dissolves in water

• It has a short half-life

• Its bonds require little energy to break

• It reacts with other molecules spontaneously

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How many phosphate groups does ADP (adenosine diphosphate) have?

• One

• Two

• Three

• Four

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Which macromolecule is the body's primary source for creating ATP?

• Proteins

• Lipids

• Carbohydrates

• Nucleic acids

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Approximately how many ATP molecules can be produced from one glucose molecule?

• 4

• 18

• 36

• 72

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Which process is responsible for producing most of the cell's ATP?

• Photosynthesis

• Cellular respiration

• Fermentation

• Glycolysis

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