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Enzymes Through Time

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Questions and Answers

Who first used the word 'enzyme' and when?

Louis Pasteur in 1850

Alexander Fleming in 1928

Robert Koch in 1882

Wilhelm Kühne in 1878 (correct)

What is the definition of enzymes?

Chemical substances that speed up biochemical reactions

Biological catalysts that speed up biochemical reactions (correct)

Biological catalysts that slow down biochemical reactions

Chemical substances that slow down biochemical reactions

What can enzymes be used for?

Production of sweetening agents

Modification of antibiotics

Washing powders

All of the above (correct)

What is the function of enzymes as catalysts?

They speed up reactions without being consumed Signup and view all the answers

What do we usually describe enzymes as?

Catalysts Signup and view all the answers

Who coined the term 'enzyme' and what does it mean?

Wilhelm Kühne, meaning 'within yeast' Signup and view all the answers

What is the primary function of enzymes in biochemical reactions?

To speed up reactions without being consumed Signup and view all the answers

Which of the following is NOT an example of commercially important processes that can be catalyzed by enzymes?

Assays with clinical application Signup and view all the answers

What is the concentration requirement for enzymes as catalysts in reactions?

Low concentrations Signup and view all the answers

How do enzymes catalyze the conversion of substrate molecules?

By consuming themselves during the reaction Signup and view all the answers