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Biology
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What is asexual reproduction and what are its features?

Asexual reproduction is where an organism produces offspring which is genetically identical to itself, without fertilisation happening

The main identifying feature of asexual reproduction is that t...

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Answered by Sam W. Biology tutor
13360 Views

Why does putting honey on a cut kill the bacteria within it?

The water potential in bacterial cells is higher than that of the honey, meaning that water leaves the bacterial cells by osmosis. This loss of water denatures the bacterial cells as it stops metabolic re...

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Answered by Ashleigh H. Biology tutor
3620 Views

What is the function of a ribosome within an animal cell?

A ribosome is the centre of protein synthesis within an animal cell. Translation and transcription of DNA takes place within a ribosome, meaning the genes are read and a messengerRNA provides transfer and...

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Answered by Ashleigh H. Biology tutor
6307 Views

1 a) What is a pathogen? 1 b) How do white blood cells help to defend the body against pathogens?

1 a) a microorganism that causes infectious disease

1 b) White blood cells:

- Ingest pathogens

- produce antibodies which destroy particular bacteria or viruses

...

LB
Answered by Lauraa B. Biology tutor
5435 Views

What is diffusion?

All the cells in our body communicate constantly with their surrounding environment in order to feed and excrete their wastes. Various substances in that environment pass through the cell membrane to ente...

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Answered by Kleio C. Biology tutor
3421 Views

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