Showing posts with label Karachi Board. Show all posts
Showing posts with label Karachi Board. Show all posts

The Enzymes – Short Questions Answers

 Biology XI Notes

Chapter # 03
Short Questions Answers
Section II – Unity Of Life


THE ENZYMES

Q.1: What are enzymes and what are the characters of enzymes?

Ans: ENZYMES:
Enzymes are the organic proteinaceous substances which catalyze chemical reactions in the living organisms. These are considered as bio-catalysts. They increase the rate of chemical reaction but are not consumed in the process:

The term enzyme was used by a scientist, Friedrich Wilhelm Kuhn in 1878.