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Term 4 2

Enzymes: Introduction

What do protein enzymes do to a reaction? They speed the reaction up
What do all proteins contain (4)? Carbon, Hydrogen, Oxygen and Nitrogen.
What do some also contain (2)? Sulphur and Phosphorus
What are proteins made up of? Amino Acids
What is it called when the amino acids join up? (PC) a polypeptide chain which forms a protein
Enzymes are the most ......... group of proteins? Most important group of proteins.
Enzymes are biological .........? biological catalysts
Not only do enzymes speed up reactions but they also increase the ......... of ........... reactions in ......? They also increase the chemical reactions in cells.
What do Intracellular Enzymes do? They speed up reactions within the cell
Examples of intercellular enzymes? (PCR) Photosynthesis and Cellular Respiration
What do Extracellular enzymes do? speed up chemical reaction outside of the cell
Where are Extracellular Enzymes located? They are secreted (hidden?) by the cell. Basically they are located in the cell : )
Can you give me an example of an Extracellular Enzyme in action? Digestion
What gives enzymes their particular large globular shape? The Tertiary Structure of proteins
How is this shape created? the folding and bending of the secondary structure that creates this shape.
Created by: zarap103