Subject Experts Solutions for Exercise 1: MCQS CORNER
Subject Experts Biology Solutions for Exercise - Subject Experts Solutions for Exercise 1: MCQS CORNER
Attempt the free practice questions from Exercise 1: MCQS CORNER with hints and solutions to strengthen your understanding. MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Exercise 1: MCQS CORNER with Hints & Solutions
Which of the following is an example of an isozyme?
Holoenzyme is the complete enzyme consisting of an apoenzyme and a co-factor. Select the option that correctly identifies the nature of an apoenzyme and a co-factor.
| (i) | Protein | Non-protein |
| (ii) | Non-protein | Protein |
| (iii) | Protein | Protein |
| (iv) | Non-protein | Non-protein |
The proteinaceous molecule that joins a non-protein prosthetic group to form a functional enzyme, is called
Read the given paragraph and choose the correct options for the blanks.
Prosthetic groups are__(A)__ compounds distinguished from other co-factors in being __(B)__ bound to the apo-enzyme. For example, in peroxidase and __(C)__ which catalyse the breakdown of hydrogen peroxide to water and__(D)__, __(E)__ is the prosthetic group.
Select the option that correctly fills blanks in the above paragraph.
| (i) | organic | tightly | catalase | oxygen | haem |
| (ii) | inorganic | loosely | catalase | hydrogen | haem |
| (iii) | inorganic | tightly | isomerase | hydrogen | haem |
| (iv) | organic | loosely | isomerase | oxygen | haem |
Co-enzyme nicotinamide adenine dinucleotide contains vitamin
Zinc is a co-factor for which of the following proteolytic enzymes?
Select the incorrect statement from the following.
Read the given statements and select the correct option.
Statement : Co-factors play a crucial role in the catalytic activity of the enzyme.
Statement : Catalytic activity is lost when co-factor is removed from the enzyme.
