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Biology
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How can I understand the difference in ploidy between meiosis and mitosis?

Instead of trying to memorise the facts by heart, the differences between meiosis and mitosis become much easier to understand if we reason on what the purpose of each process is. The key is that: – MITOS...

Answered by Alisia F. Biology tutor
1350 Views

Explain how bacteria are important in cycle within ecosystems.

Bacteria are important in the carbon cycle, because they produce carbon dioxide by breaking down dead animal and plant matter. Therefore, they act as decomposers.Bacteria are important in the nitrogen cyc...

Answered by Lily P. Biology tutor
10023 Views

What is the difference between mitosis and meiosis

Both are forms of cell division. All 'normal' cells undergo mitosis to produce identical copies of themselves with the same number of chromosomes. This increase in cell number leads to growth/repair of ti...

Answered by Hasan R. Biology tutor
1672 Views

Explain how an adult develops immunity to a bacterial toxin

When the body is exposed to a bacterial toxin for the first time, it is recognised as foreign and an immune response will be mounted. In response to the toxin, B lymphocytes will be produced which make an...

Answered by Biology tutor
2946 Views

Why could a single base mutation stop an enzyme from catalysing a reaction?

Because the single base mutation would change the primary structure of the enzyme which in turn would change the secondary structure of the enzyme due to the differences in hydrogen bonds formed. As a res...

Answered by Biology tutor
2020 Views

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