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Describe the function of red blood cells and how they are suited to their function.

The primary function of red blood cells (RBCs) is to transport oxygen around the body. They contain haemoglobin, which oxygen attaches to in order to form oxyhaemoglobin. RBCs are very small in size and are ...
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Answered by Hafsa S. • Biology tutor
11888 Views

How do you combine resistors is series and parallel?

In a series circuit each resistor will have the same current passing through it. If we assume that the wires connecting the resistors have no resistance, then the total potential difference, V, is given by K...
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Answered by Matt Q. • Physics tutor
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Describe the process of PCR, including what is needed.

Chemical components needed: a DNA template, DNA polymerase enzyme, primers, nucleotides and reaction buffer. Steps in PCR: Denaturation 96 degrees, to seperate DNA strands Annealing 55-65 degrees, cool so th...
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Answered by Kavi S. • Biology tutor
3710 Views

Simplify √32 + √18 giving your answer in the form of a√2.

√32 + √18 = 4√2 + 3√2 = 7√2
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Answered by Kavi S. • Maths tutor
9399 Views

How does the heart work to pump blood around the body?

Firstly, I would ensure that the student understands the basics concepts of atrial systole, ventricular syotle and diastole and the pathway of the blood around the heart. Then I would further explain the con...
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Answered by Sophie C. • Biology tutor
3779 Views