Topic 3 C

Question 1

What are monoclonal antibodies

Answer 1

Antibodies produced from lots of clones of a single white blood cell

Question 2

Why can tumours grow really easily

Answer 2

They divide a lot

Question 3

What are monoclonal antibodies used for

Answer 3

Pregnancy test
Treat disease
To find specific substances

Question 4

Advantage on monoclonal antibodies

Answer 4

In cancer treatment they target specific cells instead of all normal body cells like chemotherapy

Question 5

Disadvantages of monoclonal antibodies

Answer 5

Side effects like fever, vomiting, low blood pressure

Question 6

What does nitrate deficiency cause

Answer 6

Nitrate is needed for production of proteins and without proteins a plant cannot grow

Causes stunted growth

Question 7

What does magnesium deficiency cause

Answer 7

Magnesium required for production of chlorophyll

Plant can’t photosynthesis as well

Causes leave to turn yellow

Question 8

Physical defences of plants

Answer 8

Waxy cuticles to prevent pathogens entering

Cell walls as a second defence

Layers of dead cells around stem to stop pathogens entering

Bark

Question 9

Plants chemical defences

Answer 9

Antibacterial chemicals which kill bacteria

Poisons which deter organisms that eat plants

Question 10

Plants mechanical defences

Answer 10

Thorns and hairs

Leaves that curl when touched

Mimicking other organisms

Question 11

Signs of plant disease

Answer 11

Stunted growth

Spots on leaves

Pests

Malformed leaves