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Energy Source from Food Molecules Quiz

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Questions and Answers

Where does the chemical energy in food molecules come from?

From the ATP molecule

By the addition of a phosphate group

Directly from the food you eat

Through a series of chemical reactions breaking down the molecules (correct)

What is the main energy carrier molecule that cells use for their processes?

ATP (correct)

Carbohydrates

Lipids

ADP

How is energy released from ATP for cellular processes?

When a phosphate group is removed from the molecule (correct)

Through a reaction that breaks a bond between carbon-based molecules

When lipids are broken down

By adding a phosphate group

What happens to ATP after a phosphate group is removed?

It becomes ADP (B) Signup and view all the answers

What is an accurate analogy for understanding the role of ATP in cell processes?

ATP serves as a wallet filled with money for cells (D) Signup and view all the answers

Which molecules are the primary energy sources in the foods we eat?

Carbohydrates and lipids (A) Signup and view all the answers

What is the relationship between food and ATP in organisms?

Organisms break down carbon-based molecules from food to produce ATP. (B) Signup and view all the answers

Which of the following molecules yields the most ATP when broken down?

Lipids (B) Signup and view all the answers

How do plant cells obtain ATP?

Plant cells break down sugars produced during photosynthesis to make ATP. (B) Signup and view all the answers

What is the significance of ATP in organisms?

ATP is a source of energy for cellular processes. (B) Signup and view all the answers

What happens if one of the proteins involved in ATP synthesis is faulty?

ATP is not produced at all. (A) Signup and view all the answers

Which organisms rely on sunlight and photosynthesis as their source of chemical energy?

Most organisms, directly or indirectly (B) Signup and view all the answers