Proteins, Catalysts And Enzymes

Question 1

What are protein molecules made up of?

Answer 1

Long chains of amino acids

Question 2

What is a catalyst?

Answer 2

A substance that speeds up a chemical reaction with being changed itself

Question 3

What is an enzyme?

Answer 3

A biological catalyst made of protein

Question 4

What is an active site?

Answer 4

The special part in the structure of an enzyme where the substance binds

Question 5

What are enzymes involved in?

Answer 5

Building large molecules from lots of smaller ones
Changing one molecule into another
Breaking down large molecules into smaller ones

Question 6

What factors effect enzyme action?

Answer 6

Temperature
pH
High temperatures and the wrong pH can affect the shape of the active site of an enzyme

Question 7

What do proteins act as?

Answer 7

Structural components - such as muscles and tendons
Hormones - such as insulin
Antibodies - which destroy pathogens
Catalysts - in the form of enzymes