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Biology
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Discuss the advantages and disadvantages of asexual reproductions (4 marks)

AdvantagesAny two from:. Can reproduce quicker and in much larger quantities than sexual reproduction. No competition for mates. No need for motility DisadvantagesAny two from:. No variation, . So more vu...

SP
Answered by Sofia P. Biology tutor
3325 Views

Describe how an action potential stimulates synaptic release of neurotransmitters. (5 marks)

action potential depolarises the synaptic terminal this activates the voltage gated calcium channels Calcium ions diffuses into the cell down the electrical gradient Calcium ions stimulate the release of ...

SP
Answered by Sofia P. Biology tutor
2462 Views

Could you explain the structure of the plasma membrane to me? (A level)

The cell membrane, also known as plasma membrane, you will know from GCSE is a feature of both animal and plant cells that helps contain cellular contents and control entry and exit of substances from the...

RH
Answered by Rita H. Biology tutor
2521 Views

Horizontal gene transfer is a mechanism that allows bacteria to genetic information between cells. Describe this process.

Bacteria have a singular, large, circular chromosome and can have many smaller circular DNA-containing structures called plasmids. Bacterial cells that are in close proximity can form a connective bridge,...

BM
Answered by Benjamin M. Biology tutor
1187 Views

What is the difference between osmosis and diffusion?

Osmosis is strictly the movement of water. Its definition is the net movement of water across a partially permeable membrane from a high water potential to a low water potential. Therefore this is only th...

MH
Answered by Mary H. Biology tutor
3357 Views

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