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Biology
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What is the equation for respiration?

C6H12O6 + 6O2 -----6CO2 + 6H2O

Answered by Lily W. Biology tutor
2030 Views

Explain how ciliary muscles and elastic fibres change the shape of lens to a distant object

if you are looking at a far away object, your eyes don’t need to refract the light too much in order to focus it onto the retina. So in this case the lens shape should be flat instead of fat. And how this...

Answered by Ryan R. Biology tutor
1942 Views

You and your lab partner have isolated a strand of DNA which you wish to amplify. You decide to carry out a polymerase chain reaction. Describe the 3 main temperature changes that occur and what key events happen at these stages.

The polymerase chain reaction (PCR) involves many cycles of heating and cooling in order to amplify a section of DNA. You initially heat the DNA to 92C: this denatures you double-stra...

Answered by Amy A. Biology tutor
883 Views

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...

Answered by Luke R. Biology tutor
4368 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...

Answered by Tutor171831 D. Biology tutor
2130 Views

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