Top answers

Biology
A Level

What is the process of phagocytosis

Phagocytosis is the non-specific engulfing and destroying of a pathogen by white blood cells known as phagocytes. On detecting foreign chemicals produced by a pathogen known as cytokines, the phagocyte wi...

KR
Answered by Katie R. Biology tutor
6531 Views

What is ATP and a DNA nucleotide and what is the difference between the two?

ATP (standing for adenosine triphosphate) and a DNA nucleotide are both examples of nucleotides. Nucleotides are the building blocks for nucleic acids, such as DNA and RNA. DNA nucleotides make up DNA, as...

DM
Answered by Danica M. Biology tutor
53644 Views

How does phagocytosis work?

The phagocyte will be attracted to a pathogen and move to it via chemotaxis. The phagocyte then engulfs the pathogen. Once the pathogen is inside the phagocyte, it is enclosed in a phagosome (essentially ...

CW
Answered by Catherine W. Biology tutor
3089 Views

Why is the tertiary structure of an enzyme essential to its function?

Firstly, explain what tertiary structure means - the overall 3D structure of a polypeptide chain
This 3D shape is essential to enzyme function (aka catalysing biological reactions), as this shape w...

OC
Answered by Olivia C. Biology tutor
6674 Views

What's the difference between genetic code, genetic material and genetic information?

Genetic code is a set of rules which lead to a translation of information kept in the sequence of DNA on to the sequence of proteins. Genetic code is based on the three-base long codons which code for dif...

RF
Answered by Rafal F. Biology tutor
9864 Views

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