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(a) State four functions of proteins, giving a named example of each.

Proteins can function as 

1. Biological Catalysts: enzymes that decrease the activation energy of a reaction and facilitate the progression of chemical reactions

2. Hormones...

TS
Answered by Tatiana S. Biology tutor
17123 Views

Explain how type 1 diabetes occurs

Type 1 diabetes occurs when the immune system to fails to identify a group of cells in the pancreas called the beta islet of Langerhans cells as 'self' cells. This means that they are recognised as 'fo...

ER
Answered by Emma R. Biology tutor
3507 Views

How do I solve simultaneous equations?

Let's use an example.

x+y=6

2x+3y=14

Find the values of x and y.

When I was kid back then, I was always wondering why are equations important? We...

WH
Answered by Wilson H. Maths tutor
5085 Views

Why at room temperature is H2O a liquid, but H2S is a gas?

This question is basically just asking you why water has a higher boiling point that H2S. So you need to ask yourself what is the factor which means water has a higher boiling point? If you ...

MK
Answered by Melissa K. Chemistry tutor
40342 Views

What is the Pythagoras Theorem?

The Pythagoras Theorem equation is:

a+ b2 = c2

It is used to calculate an unknown side of a right angled triangle. a, b and c represe...

NB
Answered by Natasha B. Maths tutor
4311 Views

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