Top answers

What is diffusion?

By definition, diffusion is the movement of particles from a region of high concentration to a region of low concentration. It occurs in liquids and gases where particles can move freely down a concentration...
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Answered by Eleanor D. • Biology tutor
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What is a Sodium Potassium Pump? How does it work?

The sodium potassium pump (sodium potassium ATPase) is an enzyme found in the membrane of all animal cells. Its job is to move NA+ out of the cell and K+ in the cell against their concentration gradient. Thi...
MM
Answered by Matilde M. • Chemistry tutor
28842 Views

What is the difference between a one-tailed and two-tailed hypothesis?

A one-tailed hypothesis is directional, meaning that you expect your results to turn out a specific way. When constructing a one-tailed hypothesis, you are predicting the effect the independent variable will...
ED
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What is a protein?

A protein is a sequence of many amino acids. All proteins are made of amino acids. Humans have 20 distinguished amino acids that can arrange in thousands of different combinations and this means that they ca...
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Answered by Matilde M. • Biology tutor
3833 Views

How do I begin my personal statement?

It's always important to plan and I'd suggest you mind map your ideas. Write the subject you want to study in the middle of the bubble and write around it what aspects of the course/subject you enjoy or find...
EA
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