B:2 Organisation Paper 1

Question 1

What’s The System To Remember How The Cells Work Together?

Answer 1

• Epithelial Cell
• Epithelial Tissue
• Organs
• Organ Systems

Question 2

whats a Tissue and Give a Example?

Answer 2

• a Group Of Cells Working Together.
• For Example Epithelial Tissue.

Question 3

Whats a Organ and give a Example?

Answer 3

• a Group of Tissues Working Together.
• For Example:The Stomach.

Question 4

Write a Definition of a Enzyme?

Question 5

Write a Definition Of a Catalyst?

Answer 5

A Catalyst is a Substance Which Increases The Speed of a Reaction Without being changed or used up in the reaction.

Question 6

Name 2 Facts About Lock and Key Model?

Answer 6

• 1) Every Enzyme Has an active site with a unique Shape.
• 2) The Substance Involved in the Reaction Has to fit into the active site to work.

Question 7

Name 2 Things That Has to be Right In Order For Enzymes To Work?

Answer 7

• 1) It Has to Have the Right Temperature- Because a Higher Temperature increases the rate.
• 2) And It Has to Be The Right PH In Order To Work.