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Biology
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Describe the steps of mitosis

Mitosis is one of the two types of cell division which leads to the production of two genetically identical diploid daughter cells (2n) from one original diploid parent cell (2n). The steps of mitosis are...

LR
Answered by Luke R. Biology tutor
5709 Views

How do two neurones interact at synapse?

When an action potential reaches the synaptic knob of the pre synaptic neurone, this causes calcium ion channels to open. This leads to an influx of calcium ions ( Ca2+) into the synaptic knob. Presence o...

TD
2490 Views

Students placed some grass cuttings in a vacuum flask and attached a carbon dioxide sensor. Why would the carbon dioxide levels increase over a period of 20 days?

The decomposing microorganisms that contribute to the decay of the grass must respire and respiration leads to the production and release of carbon dioxide.

GB
Answered by Georgia B. Biology tutor
5045 Views

Describe the similarities and differences between RNA and DNA

Similarities: both encode genetic information; both can bind nitrogenous bases adenine, guanine and cytosine; both are polar and have a 5' end and a 3' endDifferences: RNA binds uracil, whereas DNA binds ...

CD
Answered by Conlan D. Biology tutor
4272 Views

Maltose is hydrolysed by the enzyme maltase. Explain why maltase catalyses only this reaction.

The active site of the enzyme has a specific active site that is complementary to maltose. This means that maltose can only bind to maltase to form an enzyme-substrate complex.

CB
Answered by Chloe B. Biology tutor
2992 Views

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