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Biology
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How does speciation occur?

Reproductive separation occurs, this could be through geographical separation. (1)

Therefore no interbreeding in the population. (2)

SB
Answered by Shoam B. • Biology tutor
5883 Views

How does a neuron maintain its resting potential and why is it important?

The membrane of an axon contains a large number of protein channels along its length, which all fall under three categories: the sodium/potassium pumps, the voltage-gated sodium channels & the volt...

FB
Answered by Ferdinand B. • Biology tutor
25723 Views

What is Evolution?

The Theory of Evolution states that organisms change (evolve) over a long time (from simple life forms) due to natural selection.

Natural Selecti...

DY
Answered by Dominic Y. • Biology tutor
3664 Views

What is the structure of DNA?

DNA is a double helix. Consisting of two strands, which are made up of bases A T C and G

Complementary base pairing occ...

TD
Answered by Thomas D. • Biology tutor
3237 Views

What is the role of ATP in muscle contraction?

ATP is responsible for cocking (pulling back) the myosin head, ready for another cycle. When it binds to the myosin head, it causes the cross bridge between actin and ...

TD
Answered by Thomas D. • Biology tutor
62657 Views

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