Organisation

Question 1

Define tissue

Answer 1

a group of similar cells that work together to carry out a particular function

e.g muscular tissue contracts to move whatever it’s attached to

Question 2

Can tissues contain more then one type of cell?

Answer 2

Yes

Question 3

Define organ

Answer 3

a group of different tissues that work together to perform a certain function

e.g glandular tissue make digestive juices to digest food

Question 4

Define organ system

Answer 4

A group of organs working together to perform a particular function

e.g glands(pancreas and salivary) which produce digestive fluids

Question 5

Here’s an example of cell organisation:

Answer 5

an epithelial cel > epithelial tissue > stomach > digestive system

Question 6

Define catalyst

Answer 6

a substance which increases the speed of of a reaction, without being changed or used up

Question 7

What is the lock and key model?

Answer 7

The idea that a substrate perfectly slots into an enzyme’s active site

Question 8

What factors affect enzymes?

Answer 8

pH(average 7)

temperature

Question 9

Where is it produced?
Where does it work in?
What is the substrate?
What is the product?

for protease

Answer 9

• the stomach, small intestine and pancreas
• the stomach and the small intestine
• protein
• amino acids

Question 10

Where is it produced?
Where does it work in?
What is the substrate?
What is the product?

for lipease

Answer 10

• small intestine and pancreas
• small intestine
• lipids
• fatty acids and glycerole

Question 11

Where is it produced?
Where does it work in?
What is the substrate?
What is the product?

for amylease

Answer 11

• salivary glands, small intestines abs pancreas
• mouth and small intestine
• starch
• glucose