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3 - Biothermodynamics

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

What is the transfer of energy between and within living organisms?

Back (Answer)

Thermodynamics

#2
Front (Question)

What are the two main types of energy?

Back (Answer)

• Kinetic • Potential

#3
Front (Question)

What is the energy of motion?

Back (Answer)

Kinetic Energy

#4
Front (Question)

What is the stored energy in chemical bonds?

Back (Answer)

Potential Energy

#5
Front (Question)

Which type of reaction is spontaneous and release energy?

Back (Answer)

Exergonic Reaction

#6
Front (Question)

Which type of reaction is non-spontaneous and required energy?

Back (Answer)

Endergonic Reaction

#7
Front (Question)

What is the DeltaH component in the Gibbs Free Energy Formula?

Back (Answer)

Enthalpy

#8
Front (Question)

What is the DeltaS component in the Gibbs Free Energy Formula?

Back (Answer)

Entropy

#9
Front (Question)

The breakdown of ATP into ADP + Pi + Energy is referred to as what?

Back (Answer)

ATP Hydrolysis

#10
Front (Question)

ATP Hydrolysis is what type of reaction?

Back (Answer)

Exergonic

#11
Front (Question)

What are the 3 Laws of Thermodynamics?

Back (Answer)

• Energy cannot be created or destroyed • Entropy increases in closed systems • Entropy minimizes as temperature approaches absolute zero

#12
Front (Question)

Non-protein structures that assist enzymes

Back (Answer)

Cofactors

#13
Front (Question)

What are the 2 types of Cofactors?

Back (Answer)

• Organic Cofactors • Inorganic Cofactors

#14
Front (Question)

Example of an Organic Cofactor

Back (Answer)

Vitamins, Heme Groups

#15
Front (Question)

Example of an Inorganic Cofactor

Back (Answer)

Metal Ions (Fe2+ or Meg2+)

#16
Front (Question)

A product of a reaction binds to and inhibits the enzyme, preventing excess product formation is defined as what?

Back (Answer)

Feedback Inhibition

#17
Front (Question)

Maximum reaction rate is depicted by what variable?

Back (Answer)

Vmax

#18
Front (Question)

Substrate concentration at 1/2 Vmax is depicted by which variable?

Back (Answer)

Km

#19
Front (Question)

Which variable measures substrate affinity?

Back (Answer)

Km

#20
Front (Question)

Which type of inhibition occurs when an inhibitor binds reversibly to the enzyme’s active site and can be overcome by increasing substrate concentration?

Back (Answer)

Competitive Inhibition

#21
Front (Question)

Vmax is unaffected and Km increases in which type of inhibition?

Back (Answer)

Competitive Inhibition

#22
Front (Question)

Which type of inhibition occurs when an inhibitor binds to a site other than the active site, reducing enzyme activity?

Back (Answer)

Non-Competitive Inhibition

#23
Front (Question)

Vmax decreases and Km is unaffected in which type of inhibition?

Back (Answer)

Non-Competitive Inhibition

#24
Front (Question)

Which type of inhibition occurs when an inhibitor binds to the allosteric site, causing the enzyme to become inactive?

Back (Answer)

Allosteric Inhibition