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General Biology: Enzymes and Their Functions

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General Biology: Enzymes and Their Functions

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Questions and Answers

Which type of biomolecule are enzymes primarily composed of?

Carbohydrates

Proteins (correct)

Nucleic acids

Lipids

What is the main function of enzymes in cellular reactions?

Speeding up chemical reactions (correct)

Regulating body temperature

Neutralizing toxins

Storing genetic information

Which type of enzyme is responsible for unraveling DNA?

Helicase (correct)

Oxidoreductase

Ligase

Isomerase

What is the function of amylase in the body?

Converting starches to sugars Signup and view all the answers

Which enzyme aids in the digestion of fats in the gut?

Lipase Signup and view all the answers

Where are enzymes produced to aid in the digestion of food?

Salivary glands Signup and view all the answers

What is the role of enzymes in biochemical reactions?

Kick start the biochemical reactions by lowering the activation energy Signup and view all the answers

How does high temperature affect enzyme activity?

It decreases enzyme activity by denaturing the enzymes Signup and view all the answers

What is denaturation of an enzyme?

The alteration of the shape of the enzyme, preventing substrate binding Signup and view all the answers

What is the effect of an increase in pH level on enzyme activity?

It decreases enzyme activity by causing denaturation Signup and view all the answers

What is the function of enzyme inhibitors?

To slow down or stop enzymatic reactions Signup and view all the answers

What is the role of competitive inhibitors?

They prevent attachment of the partner substrate to the active site Signup and view all the answers

What did Dutch chemist G.J. Mulder first describe about proteins?

He coined the term 'protein' from a Greek word Signup and view all the answers

What are amino acids composed of?

'Amino' and 'Carboxyl' functional groups, Carbon, Hydrogen, Oxygen, Nitrogen, Sulphur, and Phosphorus Signup and view all the answers

What are proteins composed of?

Many amino acids Signup and view all the answers