AP Bio Cellular Energy and Metabolism Questions

What is metabolism?

• Metabolism refers to all of the chemical reactions that take place inside of organism

• Metabolism is the process by which your body converts what you eat and drink into muscle.

• Metabolism refers to the process of turning DNA into proteins

• Metabolism is the process by which your body converts energy into what you eat and drink.

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What are the two main types of metabolism?

• photosynthesis and respiration

• endocytosis and exocytosis

• osmosis and diffusion

• catabolism and anabolism

A biochemical reaction is just a _________ reaction that takes place in an __________.

• powerful, organism

• chemical, organism

• cellular, organelle

• short, organelle

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What does energy coupling mean?

• the energy created by catabolic reactions is used to power anabolic reactions

• the energy created by anabolic reactions is used to power catabolic reactions

What is the role of enzymes in metabolism?

• Enzymes slow down biochemical reactions so that they happen properly

• Enzymes have no role in metabolism.

• Enzymes are only involved in the breakdown of biomolecules

• Enzymes speed up and help to regulate biochemical reactions.

What is anabolic metabolism?

• Anabolic metabolism is the set of metabolic pathways that break down smaller molecules into larger ones, releasing energy.

• Anabolic metabolism is the process of converting energy into ATP.

• Anabolic metabolism is the breakdown of larger molecules into smaller ones, releasing energy.

• Anabolic metabolism is the set of metabolic pathways that build larger molecules from smaller ones, requiring energy input.

What is catabolic metabolism?

• The process of storing energy in molecules.

• The conversion of energy from one form to another.

• The breakdown of molecules into smaller units, releasing energy.

• The synthesis of molecules from smaller units, requiring energy.

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What is a metabolic pathway?

• A type of biochemical reaction that leads to larger and larger biomolecules

• A type of biochemical reaction that leads to smaller and smaller biomolecules

• The pathway that cells take to move from one type of tissue to another

• A series of linked biochemical reactions where the products of one reaction become the reactants of the next

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All metabolic reactions involve which two things (Select BOTH answers.)

• energy

• DNA

• RNA

• enzymes

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Chemical reactions are perfectly energy efficient. No energy is lost during the reaction.

• True

• False

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