AP Biology Campbell Chapter 8

 Metabolism is _______________

• a constant supply of energy from food
• an increase of entropy in an organism
• all the energy transformation reactions in an organism
• biochemical pathways involved in synthesis of macromolecules

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NGSS.HS-LS2-3

NGSS.HS-LS2-5

Which of the following correctly describes how enzymes work?  

• they lower the energy of the reactants to increase the rxn rate
• they supply energy to the reaction to increase the rxn rate
• they lower the energy of the products to increase the rxn rate
• they lower the activation energy of the reaction to increase the rxn rate

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NGSS.HS-LS1-7

NGSS.HS-PS3-1

The part of the enzyme that the substrate bonds to is called the _____.

• active site
• activation energy
• bond site
• peptide bond

Zinc and Iron

• Coenzymes
• Cofactors
• Organic

The energy needed to start a reaction

• activation energy
• adhesion energy
• chemical energy
• cohesion energy

A --> B + C

• Anabolic

• Catabolic

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NGSS.HS-LS1-7

Main cellular energy molecule

• ATP
• ADP
• cAMP

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NGSS.HS-LS2-3

NGSS.HS-LS2-5

Energy is released from ATP when

• a phosphate group is added
• adenine bonds to ribose
• ATP is exposed to sunlight
• a phosphate group is removed

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NGSS.HS-LS1-7

Vitamin C

• Cofactor
• Coenzyme
• Competitive inhibitor

Cyanide is a toxin that stops the mitochondria from producing ATP. If cyanide were introduced into your cells, it is probably acting as a(n)

• activator

• coenzyme

• inhibitor

• substrate

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NGSS.HS-LS1-7