Enzyme Structures and Ribozymes Quiz
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Questions and Answers

What are enzymes primarily made of?

Proteins

Describe the structure of an enzyme.

Primary, secondary, and tertiary structure

What is the active site of an enzyme?

A crevice or pocket where the substrate fits

How do enzyme catalysts differ from inorganic catalysts?

<p>Enzymes get damaged at high temperatures, unlike inorganic catalysts</p> Signup and view all the answers

Why are enzymes isolated from thermophilic organisms more thermally stable?

<p>Because they are adapted to high temperatures</p> Signup and view all the answers

What is the difference between a physical change and a chemical reaction?

<p>A physical change involves changes in shape without breaking bonds, while a chemical reaction involves breaking and forming bonds.</p> Signup and view all the answers

Explain the role of enzymes in accelerating chemical reactions.

<p>Enzymes act as catalysts, increasing the rate of chemical reactions by lowering the activation energy required.</p> Signup and view all the answers

What is a metabolic pathway and how is it related to enzymes?

<p>A metabolic pathway is a series of enzyme-catalyzed reactions that convert one compound into another. Enzymes play a crucial role in facilitating each step of the pathway.</p> Signup and view all the answers

How does temperature affect the rate of physical and chemical processes?

<p>Temperature influences the rate of processes; generally, a 10°C increase doubles the rate, while a 10°C decrease halves it.</p> Signup and view all the answers

Give an example of an enzyme-catalyzed reaction and explain the impact of the enzyme on the reaction rate.

<p>The reaction of CO2 + H2O catalyzed by carbonic anhydrase results in the formation of carbonic acid. The enzyme accelerates the reaction by about 10 million times.</p> Signup and view all the answers

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