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Cell Metabolism and First Law of Thermodynamics

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Cell Metabolism and First Law of Thermodynamics

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Questions and Answers

What are cofactors in enzymes?

Activators that bind to the allosteric site of enzymes

Substrates that enzymes act upon

Nonprotein components required for enzyme activity (correct)

Inhibitors that bind to the active site of enzymes

What are coenzymes?

Vitamins required for enzyme function (correct)

Inhibitors that bind to the allosteric site of enzymes

Activators that bind to the active site of enzymes

Substrates that enzymes act upon

What is the difference between competitive and noncompetitive inhibitors?

Competitive inhibitors cause a conformational change in the enzyme, while noncompetitive inhibitors do not

Both a and c (correct)

Competitive inhibitors prevent substrate binding, while noncompetitive inhibitors do not

Competitive inhibitors bind to the active site, while noncompetitive inhibitors bind to the allosteric site

What is the role of DDT as an enzyme inhibitor?

It noncompetitively inhibits enzymes in the nervous system Signup and view all the answers

How do allosteric activators and inhibitors differ in their effects on enzymes?

Activators cause a conformational change to the active form, while inhibitors cause a change to the inactive form Signup and view all the answers

What is feedback inhibition via allosteric inhibition?

The product of an enzyme reaction binds to the allosteric site and inhibits the enzyme Signup and view all the answers

What is the purpose of reading the Enzyme Summary on page 150 of the textbook?

To complete the assigned questions on page 150 Signup and view all the answers

What is the focus of the reading on page 57 of the textbook?

Applications of enzymes in various industries Signup and view all the answers

What is the purpose of the assigned reading about enzymes/molecules on pages 60 and 108?

To learn about specific enzymes and their roles Signup and view all the answers

What is the focus of the lab experiment on 'Factors Affecting the Rate of Enzyme Activity'?

To investigate the effects of different factors on enzyme activity rates Signup and view all the answers