ENERGY & ENZYMES (AP BIO TOPICS
3.1-3.4) EXAM Q&A
Substrate Concentration (variable affecting enzyme activity) - ANSWER-After looking
at the shape of this graph, the enzyme activity of this enzyme is being regulated by
what variable?
Metabolism - ANSWER-The totality of an organism's chemical reaction
Entropy - ANSWER-Disorder
Free energy - ANSWER-Energy that can do work
Negative ΔG - effect on spontaneity - ANSWER-Spontaneous
Energy releasing, Negative ΔG - ANSWER-Exergonic
Energy storing, Positive ΔG - ANSWER-Endergonic
Positive - effect of spontaneity - ANSWER-Not spontaneous
ΔG = ΔH - TΔS - ANSWER-Equation for ΔG
symbol G - ANSWER-Free energy
Symbol H - ANSWER-Enthalpy aka system's total energy
symbol T - ANSWER-Temperature
symbol S - ANSWER-Systems total entropy (disorder)
Adenine, ribose, phosphate group - ANSWER-ATP is composed of
Homeostasis - ANSWER-Maintaining a stable internal environment
metabolism - ANSWER-The sum of the building & breaking reactions occurring in
cells
catabolic pathways - ANSWER-Series of reactions that release energy by breaking
down complex molecules into simpler compounds; Negative ΔG
anabolic pathways - ANSWER-Series of reactions that consume energy to build
complicated molecules from simpler ones; Positive ΔG
kinetic energy - ANSWER-Energy associated with relative motion of objects.
3.1-3.4) EXAM Q&A
Substrate Concentration (variable affecting enzyme activity) - ANSWER-After looking
at the shape of this graph, the enzyme activity of this enzyme is being regulated by
what variable?
Metabolism - ANSWER-The totality of an organism's chemical reaction
Entropy - ANSWER-Disorder
Free energy - ANSWER-Energy that can do work
Negative ΔG - effect on spontaneity - ANSWER-Spontaneous
Energy releasing, Negative ΔG - ANSWER-Exergonic
Energy storing, Positive ΔG - ANSWER-Endergonic
Positive - effect of spontaneity - ANSWER-Not spontaneous
ΔG = ΔH - TΔS - ANSWER-Equation for ΔG
symbol G - ANSWER-Free energy
Symbol H - ANSWER-Enthalpy aka system's total energy
symbol T - ANSWER-Temperature
symbol S - ANSWER-Systems total entropy (disorder)
Adenine, ribose, phosphate group - ANSWER-ATP is composed of
Homeostasis - ANSWER-Maintaining a stable internal environment
metabolism - ANSWER-The sum of the building & breaking reactions occurring in
cells
catabolic pathways - ANSWER-Series of reactions that release energy by breaking
down complex molecules into simpler compounds; Negative ΔG
anabolic pathways - ANSWER-Series of reactions that consume energy to build
complicated molecules from simpler ones; Positive ΔG
kinetic energy - ANSWER-Energy associated with relative motion of objects.
