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Biology
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What is the difference between mitosis and meiosis?

Both mitosis and meiosis are methods of cell division. Mitosis is cell division where the DNA of the parent molecule is duplicated then split into 2 identical daughter cells. Mitosis is split into 4 stage...

PC
Answered by Pavan C. Biology tutor
3252 Views

Compare and contrast the structures and starch and cellulose and explain how these relate to their functions in the cell

Both are biological polymers (macromolecules) formed from glucose molecules joined by 1-4 glycosidic bonds.Both are insoluble: good for starch as it does not affect the osmotic potential of the cells in w...

ER
Answered by Eleanor R. Biology tutor
26819 Views

Describe the events of synaptic transmission

An action potential travels towards the synaptic terminal down the axon in a wave depolarisation. The voltage gated calcium channels on the membrane of the presynaptic bulb open causing an influx of calci...

GH
Answered by Georgie H. Biology tutor
3572 Views

How does binocular vision help people judge distances?

Monocular vision (1 eye): Allows us to see 2D images in motionSuitable for short distances but not for long Binocular vision (2 eyes): Allows for depth perception through something called stereopsis (comb...

AG
Answered by Aanchal G. Biology tutor
3572 Views

Describe the first three levels of protein structure and the interactions which stabilise them.

Primary structure - sequence of amino acids in a polypeptide chain, amino acids joined by peptide bonds. Secondary structure - folding of the polypeptide chain into regular structures such as alpha-helice...

JC
Answered by Joe C. Biology tutor
3439 Views

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