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

Why do plants need nitrates

Answer 6

To make proteins to grow

Question 7

Why do plants need magnesium ions

Answer 7

To make chlorophyll, which is needed for photosynthesis

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

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