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How does genetic engineering work?

It is a simple idea whereby we take new working genes, named wild types, and replace the faulty genes of some ones cells. This means the cells will then take up the new DNA and make a functional version of t...
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Answered by Edward S. • Biology tutor
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What organelles can be found in a plant cell but not an animal cell?

Only plant cells have a cell wall, vacuole, chloroplasts. Both plant and animal cells have a cytoplasm, cell membrane, mitochondria, nucleus, ribosomes and chromosomes.
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Answered by Fae R. • Biology tutor
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How does natural selection work to make a population look different?

We can break down the process of natural selection into a few steps: genetic variation within a population, a selective pressure which favours a particular trait, increased survival and therefore reproductiv...
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Answered by Natasha S. • Biology tutor
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What are the differences between aerobic and anaerobic respiration?

<p>There are two types of respiration that you need to know about - aerobic and anaerobic respiration. The main difference between the two types of respiration depend on whether oxygen is available or ...
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Answered by Madeleine H. • Biology tutor
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Describe the process of phagocytosis.

Phagocytosis begins when white cells called phagocytes recognise bacteria invading the body (pathogens). The cell membrane of one of these phagocytes then fuses around a single bacterium, engulfing it within...
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Answered by Abia N. • Biology tutor
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