Enzymes – MDCAT Biology Chap 3 – Level 1

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Enzymes - Level 1

Chapter 3 - MDCAT Biology - Test Preparation MCQs

Read these MCQs of Enzymes MDCAT Chapter 3 and start the online test.

  1. Enzyme is a Greek word which means: in yeast
  2. Who discovered that certain molecules of ribonucleic acid also function as enzymes? Sidney Altman & Thomas Cech
  3. Molecule of ribonucleic acid which function as enzymes are called: Ribozymes
  4. The important role play by enzymes during reaction is Lower down energy of activation of reaction
  5. Naturally, most of the enzymes are: Proteins
  6. Regarding nature of enzymes, which one is correct? They are specific both in their nature and action.
  7. Regarding enzyme molecules: Greater in size than the substrate
  8. Enzyme molecules are: Both pH and heat sensitive
  9. Fischer in 1898 proposed: Key-Lock Theory
  10. Koshland in 1959 proposed: Induce Fit Theory

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1. Naturally, most of the enzymes are:

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2. Molecule of ribonucleic acid which function as enzymes are called:

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3. Koshland in 1959 proposed:

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4. Enzyme is a Greek word which means:

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5. Who discovered that certain molecules of ribonucleic acid also function as enzymes?

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6. Regarding nature of enzymes, which one is correct?

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7. Fischer in 1898 proposed:

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8. The important role play by enzymes during reaction is

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9. Regarding enzyme molecules:

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10. Enzyme molecules are:

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