AP Biology Metabolism and Enzyme

Metabolism is best described as______

• synthesis of macromolecules
• breakdown of macromolecules
• control of enzyme activity
• control of enzyme activity in te synthesis and breakdown of macromolecules

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NGSS.HS-LS1-7

NGSS.HS-LS2-5

NGSS.HS-LS2-3

____________describes the general process of breaking down large molecules into samller ones.

• metabolism
• anabolsim
• catabolism
• dehydration

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NGSS.HS-LS1-7

True or False: Catabolic pathways consume energy to build up polymers from monomers.

• True
• False

The transfer of free energy from catabolic pathways to anabolic pathways is best called_____

• feedback regulation
• energy coupling
• entropy
• cooperativity

Which of the following is part of the first law of thermodynamics?

• energy cannot be created or destroyed
• entropy of the universe is constant
• kinetic energy is stored energy
• energy cannot be transferred or transformed

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NGSS.HS-PS3-1

Whenever energy is transformed, there is always an increase in the ______________

• free energy and enthalpy of the universe
• free energy of the universe
• entropy of the universe
• enthalpy of the univers

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NGSS.HS-PS3-4

Which of the following would decrease the entropy within a system?

• dehydration
• hydrolysis
• digestion
• catabolism

True or False: According to the second law of thermodynamics, life exists at the expense of greater energy than it contains.

• True
• False

In an organism, the energy available to do work is called free energy because_______

• it can be obtained with no  cost to the system
• the organism can live free of it if necessary
• it is available to do work
• it can be spent with no cost to the universe

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NGSS.HS-LS1-7

When protein forms from amino acids, the following changes apply. 

• +H, -S, +G
• +H, -S, -G
• +H, +S, +G
• -H, -S, +G

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NGSS.HS-LS1-6

NGSS.HS-PS1-4