Metabolism and Energy Quiz

What is the definition of "metabolism"?

• The process of breathing in oxygen

• The chemical processes that occur within a living organism to maintain life

• The breakdown of food in the stomach

• The circulation of blood throughout the body

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Why do organisms, including humans, need to eat?

• To produce light

• To store water

• To obtain energy and nutrients necessary for survival

• To eliminate waste

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What role does ATP play in the body?

• It acts as a structural component of cells

• It stores and transfers energy for cellular processes

• It serves as a hormone

• It functions as a neurotransmitter

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How does the structure of ATP make it useful for storing energy?

• It has a single phosphate group

• It contains high-energy phosphate bonds

• It is composed of amino acids

• It is a simple sugar

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What happens during catabolic reactions?

• Energy is absorbed

• Molecules are broken down to release energy

• Molecules are synthesized

• Enzymes are deactivated

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What is the role of enzymes in metabolic reactions?

• They slow down reactions

• They act as catalysts to speed up reactions

• They are consumed in the reaction

• They provide energy for the reaction

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What is metabolism?

• The process of breathing in organisms

• All chemical reactions that occur in an organism

• The movement of muscles in the body

• The circulation of blood in the body

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What do catabolic reactions do?

• Assemble smaller molecules into larger ones

• Break larger molecules into smaller ones and release energy

• Store energy in the form of fat

• Convert light energy into chemical energy

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What is required for each step of metabolism?

• A specific enzyme

• A specific hormone

• A specific vitamin

• A specific mineral

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What process do cells use to extract energy from food to generate ATP?

• Photosynthesis

• Cellular respiration

• Fermentation

• Glycolysis

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