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Biology
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Outline the role of insulin and glucagon in the regulation of glucose and outline type 1 and type 2 diabetes.

Relevance: Body needs to make glucose for ATP production. (Energy production)Regulation:Both hormones insulin and glucagon are released from the islets of Langerhan in the pancreas.Insulin: Released from ...

SK
Answered by Shantanu K. Biology tutor
1974 Views

Use your knowledge of the movement of water to explain why honey has antibacterial properties

Honey has a lower water potential than the water inside bacterial cells due to its high ionic content.Water moves by osmosis from areas of higher water potential to areas of lower water pote...

SS
Answered by Sanskriti S. Biology tutor
3332 Views

Describe mechanisms used by the body to prevent entry of pathogens

Mucous in the trachea traps pathogens Microorganisms in food are killed by stomach acidThe skin forms a physical barrier against pathogens

ON
Answered by Obioma N. Biology tutor
2397 Views

Describe the differences between noncompetitive and competitive inhibition of enzymes.

The key differences here are where the inhibitor binds to the enzyme, competitive bind to the active site and as such compete directly with the normal substrate of the enzyme. Noncompetitive bind to a sit...

TB
Answered by Thomas B. Biology tutor
2496 Views

The MMR vaccine gives protection against measles, mumps and rubella. How? (4 marks)

. Vaccine contains antigens from the pathogens . This is recognised by helper T cells which activates other helper T cells and B cells . B cells undergo clonal selection and produce memory + plasma cells ...

MV
Answered by Mohit V. Biology tutor
2986 Views

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