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Explain what the stages of protein folding are and how the protein is held in its 3D shape

Break this question down into the four stages: primary, secondary, tertiary and quarternary and for each one describe the structure and what the non-covelant interactions are that hold the protein together. ...
AC
Answered by Abigail C. • Biology tutor
121472 Views

What is the passive in French and how does it work?

The Passive, as in English is one of the three grammatical voices and is used to say that something is ' being done by somebody else '. In grammatical speak, we would say that the action that's described by ...
CS
Answered by Charlotte S. • French tutor
5057 Views

What should I do with an essay question that's just a quotation?

Let's begin with an example. "What immortal hand or eye, / Could frame thy fearful symmetry?" Hypothetically, this question would be from an A2 examination on William Blake. As is more common at hi...
CH
Answered by Christian H. • English tutor
2460 Views

Simplify (3x^2-x-2)/(x^2-1)

This is an algebraic fraction. There is more than one way of solving this expression, but the simplest is to factorise both the top and the bottom quadratic expressions.Firstly we shall simplify the top expr...
VL
Answered by Venetia L. • Maths tutor
18177 Views

Explain what is meant by codominant alleles.

Codominant alleles are different to the dominant and recessive alleles studied by Mendel in his studies on pea plants. When codominant alleles are expressed together, aspects of both genes are expressed. Thi...
LP
Answered by Liam P. • Biology tutor
16935 Views