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What are antibodies and how do they work?

Antibodies are proteins which belong to a class known as immunoglobulins. They are made up of chains of amino acids joined by peptide bonds. Antibodies have an important role in the immune system of many ani...
AH
Answered by Anna H. • Biology tutor
8506 Views

What are dependent, independent, and extraneous (confounding) variables?

The dependent varible is defined as the thing which is being measured in an experiment, whilst the independent variable is the thing that is being manipulated or changed. Extraneous variables are undesirable...
MC
Answered by Megan C. • Psychology tutor
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Find values of x for which 2x^2 < 5x + 12

Start by rearranging the inequality - make sure the sign next to the x 2 term is positive to make it easier: 2x 2 -5x - 12&lt; 0 Next step is to factorise this quadratic. To do this, remember that the genera...
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Answered by Sean B. • Maths tutor
15959 Views

Write 0.185 as a percentage

Times by 100 0.185 X 100= 18.5%
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Answered by Emily P. • Maths tutor
4715 Views

Show that 3/10 + 2/15= 13/30

First make the denominator the same 3/10 X3 2/15 X2 =9/30 + 4/30 =13/30
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Answered by Emily P. • Maths tutor
7814 Views