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Explain how monoclonal antibodies are formed and suggest a potential use for monoclonal antibodies.

Monoclonal antibodies are antibodies that are produced by identical immune cell clones that only target one specific antigen . Monoclonal antibodies are produced after the target antigen is injected into an ...
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Answered by Ann A. • Biology tutor
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What is the difference between transcription and translation?

Transcription - involves making mRNA from DNA. It happens inside the nucleus Translation - using the mRNA as a set of instructions to make a polypeptide. Happens at the ribosome. More in depth transcription....
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Answered by Lauren M. • Biology tutor
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Explain why the atrioventricular valves open and close during the cardiac cycle.

Pressure is related to volume, and a larger volume means a lower pressure. The pressure in the atria is low initially as it is relaxed (diastole). Blood flows from high to low pressure, and this means that t...
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Answered by Ellie C. • Biology tutor
12926 Views

Draw the structure of a cell membrane (6 marks).

I would draw a diagram showing the structure of a cell membrane and explain each of the parts:The cell membrane is composed of a phospholipid bilayer which is composed of a hydrophilic head and a hydrophobic...
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Answered by Pravir M. • Biology tutor
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How is immunity reached after a vaccine is given? Include the roles of both T cells and B cells.

The vaccine contains either dead or attenuated pathogens, or they can contain just antigens from the pathogen. When one is injected with a vaccine the white blood cells within the body are able to recognise ...
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Answered by Chizara L. • Biology tutor
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