B2: Organisation

Question 1

Factors affecting enzymes

Answer 1

-temperature - optimum in human body is 37 degrees
-pH (stomach)

Question 2

Break down of starch using enzymes

Answer 2

Carbohydrase (e.g. amylase). converts starch into simple sugars like glucose

this is found in the salivary glands, pancreas and small intestine

Question 3

Break down of protein using enzymes

Answer 3

Protease (e.g. pepsin works at pH 1-2) breaks down proteins into amino acids

Pepsin is found is found in stomach whereas other proteases can be found in pancreas and small intestine

Question 4

Break down of fats using enzymes

Answer 4

Lipase breaks. Down fats into fatty acids and glycerol

It can be found in the stomach, pancreas and small intestine

Question 5

Statins

Answer 5

Drugs

Lower blood cholesterol levels

Cheap

Side effects

Question 6

Stents

Answer 6

Insert a balloon and wire mesh to expand artery

Minor invasive surgery

Anticoagulant drops are required to prevent blood clotting