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Describe the process of phagocytosis

When a phagocyte recognises the antigens on a pathogen, it engulfs the pathogen. The pathogen becomes contained in a phagocytic vacuole. A lysosome fuses with the phagocytic vacuole and digestive enzymes ...

HL
Answered by Heather L. Biology tutor
2871 Views

What does it mean if genes are linked?

Linked genes are genes found on the same chromosome. Chromosomes are distinct 'sections' of DNA, and each gene in an organism has its own place on a chromosome. When genes are linked, it means that allele...

FC
Answered by Flat C. Biology tutor
4262 Views

How do I form and use the perfect tense/passé composé?

The basic structure of the perfect tense: Conjugated 'avoir' or 'être' + the past participle of the verb = passé composéStep-by-Step-Take your infinitive form of the verb (e.g. 'man...

LW
Answered by Lucy W. French tutor
2291 Views

Expand (x+6)(x-3)

There are 2 handy ways of remembering how to do these questions, so I'll show you both and you can tell me which you like best. What's important to remember is to make sure you times everything in the fir...

TU
Answered by Tom U. Maths tutor
10898 Views

How should the UK government go about achieving a balance of payments surplus?

Supply-side spending, lower exchange rate and investment in productivity boosting policies

DP
Answered by Dylan P. Economics tutor
1724 Views

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