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What are some of the non-specific, first-line immune defences in humans?

When we think of immune defences, our minds may immediately jump to white blood cells such as macrophages or T lymphocytes, however there are actually many mechanisms by which our bodies fight infection b...

DA
Answered by Dawid A. Biology tutor
2970 Views

Assess the arguments in favour of an elected House of Lords

The main arguments in favour of an elected House of Lords are that this would enhance democratic legitimcy in the House of Lords , widen the basis for represention and this could increase checks on govern...

ED
7974 Views

How to form the imperfect subjunctive

For me, the easiest way of forming the imperfect subjunctive in Spanish is to firstly start with the 3rd person plural form of the preterite. Once you have this, drop the -ron ending of the verb. This bas...

ED
Answered by Emma D. Spanish tutor
1778 Views

Differentiate y = x^2 - 2x-3 + e^3x + 2ln(x)

The above function has several components with different rules on how to differentiate each of them. For each:(1) y = x2dy/dx = 2x This follows the general rule of differentiating polynomials: ...

JH
Answered by Jim H. Maths tutor
3886 Views

Describe the process of DNA replication.

The method in which DNA replicates is called semi-conservative replication. Firstly, DNA helicase catalyses the break down of the hydrogen bonds between the base pairs in the DNA molecule. This partially ...

LG
Answered by Lily G. Biology tutor
3353 Views

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