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Foundations of Biochemistry: Genetic and Evolutionary Aspects Quiz

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Foundations of Biochemistry: Genetic and Evolutionary Aspects Quiz

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Questions and Answers

What is the relationship between ∆G, ∆H, and ∆S in the free energy change equation?

∆G = ∆H * T∆S

∆G = ∆H + T∆S

∆G = ∆H / T∆S

∆G = ∆H - T∆S (correct)

What is the role of activation energy (Ea) in chemical reactions?

It is the total energy released in a reaction.

It is the energy required to initiate a reaction. (correct)

It is the same as free energy change (∆G).

It provides energy at the end of a reaction.

Which type of reaction absorbs energy and has a positive free energy change?

Exergonic reaction

Catabolic reaction

Activation reaction

Endergonic reaction (correct)

What is the primary function of ATP in biological systems?

To convert exergonic reactions to endergonic reactions Signup and view all the answers

In a favorable reaction, what is the sign of the free energy change (∆G)?

Negative Signup and view all the answers

What is the term used for a chemical reaction that loses energy during its process?

Exergonic reaction Signup and view all the answers

Which foundation of biochemistry includes studying thermodynamic aspects of biological systems?

Physical (thermodynamic) foundation Signup and view all the answers

'Coupling of Exergonic & Endergonic Reactions' refers to linking reactions based on differences in what parameter?

Free energy change (∆G) Signup and view all the answers

What does an endergonic reaction require to proceed?

Energy input Signup and view all the answers

Which type of reaction typically involves building complex molecules from simpler ones?

Anabolic reaction Signup and view all the answers