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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 ...

AH
Answered by Anna H. Biology tutor
8204 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 undesira...

MC
Answered by Megan C. Psychology tutor
50543 Views

Find values of x for which 2x^2 < 5x + 12

Start by rearranging the inequality - make sure the sign next to the x2 term is positive to make it easier: 

2x-5x - 12< 0

Next step is to factorise this quadratic...

SB
Answered by Sean B. Maths tutor
15335 Views

Write 0.185 as a percentage

Times by 100

0.185 X 100= 18.5%

EP
Answered by Emily P. Maths tutor
4379 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

EP
Answered by Emily P. Maths tutor
7510 Views

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