More Revision Cards

Question 1

Artries

Answer 1

These carry blood away form the heart

The blood is under very high pressure

Question 2

Veins

Answer 2

Carries blood towards the heart
Blood is under low pressure
Thick walls

Question 3

Enzymes

Answer 3

Biological catalysts

Speed up the rate of reactions in living things(break down)

Question 4

Denatured enzymes

Answer 4

These have been have been under a temperature that is not good for them this means there active site has changed shape

Question 5

Tissue

Answer 5

Formed by lots of similar cells working together to perform the function e.g muscle tissue, blood tissues

Question 6

Organ

Answer 6

Formed by lots of tissues working together e.g heart, lungs and brain.

Question 7

Organ system

Answer 7

Lots of organs working together in a system e.g circulating system, digestives systems, nervous system

Question 8

Mitosis

Answer 8

• chromosomes line up along the centre of the cell
• chromosomes get pulled to the opposite ends of the cell
• nucleus divides

Question 9

Interphase

Answer 9

Everything is doubled

Question 10

Chromosomes

Answer 10

Chromosomes is a piece/strand/length of the DNA carry genes. These genes code for our DNA

Question 11

Active transport

Answer 11

The process by which molecules moren from an area of low concentration to an area of higher connection is called active transport