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What is the difference between conservation and preservation regarding species

Although they both promote sustainability: Conservation is the human involvement in attempts to protect wildlife. Usually with endangered species where they can be tracked and looked after with human help, t...
AC
Answered by Aadil C. Biology tutor
8874 Views

Describe what is meant by the 'lock and key' theory.

When binding two things together in biology, such as an enzyme and a substrate, in order to fit together they musth ave a specific shape. The shape of the enzyme active site must be the reciprocal to the sha...
LW
Answered by Lily W. Biology tutor
5361 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 (i...
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Answered by Luke R. Biology tutor
8511 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 of C...
TD
3071 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 thy...
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Answered by Conlan D. Biology tutor
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