Topic 2 - Organisation Flashcards
What is a tissue?
A group of similar cells with the same structure and function
What substance does amylase break down and what are they broken down into?
Starch into glucose
Where is amylase found?
Mouth and small intestine
Where is amylase made?
Pancreas, small intestine lining, salivary glands
What substance does protease break down and what substance does it become
Protein into amino acids
Where is protease made?
Stomach, pancreas, lining of the small intestine
Where is protease found?
Stomach and small intestine
What substance does lipase break down and what is it broken down into?
Fats into fatty acids and glycerol
Where is lipase made?
Pancreas and lining of the small intestine
Where is lipase found?
Small intestine
What are the functions of bile?
Neutralises hydrochloric acid from the stomach and emulsifies fat
Where is bile made and stored?
Made in the liver, stored in the gallbladder
How can enzymes be denatured?
pH or temperature
What is the region of the enzyme which binds to its substrate?
Active site
All enzymes have an ……. pH and temperature
Optimum
How do you test for starch?
Use iodine
What colour is iodine?
Orange
What colour will iodine turn if starch is present?
Blue/black
How do you test for protein?
Use biuret
What colour is biuret?
Blue
What colour will biuret turn if protein is present?
Purple
How do you test for glucose?
Use Benedict’s solution and place in a hot water bath
What colour is Benedict’s solution?
Blue
What colour will Benedict’s solution turn if glucose is present?
Green/yellow - brick red
