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Biology
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A guanine is swapped for a thymine in a gene sequence. Explain how this may alter the function of the protein it translates.

The alteration in the nucleotide sequence of the gene may result in a change in the amino acid sequence of the protein during translation. Each set of three RNA nucleotides (anticodon) is recognised by...

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Answered by Matthew D. Biology tutor
3582 Views

Describe how plants react to the environmental factor of Light

One environmental factor which has an effect on a plant is light.

The stems of a plant grow towards the light, and roots grow away from the light. 

We call ...

EA
Answered by Ellie A. Biology tutor
2211 Views

What are the main similarities and differences in the structure of plant and animal cells?

Animal cells have the following organelles:
A nucleus which controls the activities of the cell and stores the cell DNA; cytoplasm where most of the cell's chemical reactions take place; a cell membr...

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Answered by Amy W. Biology tutor
3679 Views

What is the difference between diffusion, osmosis and active transport?

Diffusion
Diffusion is the process in which particles/ substances spread out in a solution or a gas. The result of this process is that particles move down the concentration gradient...

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Answered by Amy W. Biology tutor
92609 Views

Why was Charles Darwin's theory of evolution by natural selection not accepted at the time?

There are three main reasons for this, firstly, the 1800s when Charles Darwin lived was a deeply religious time and the idea of evolution challenged the idea of God creating life on Earth. Secondly, not m...

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Answered by Amy W. Biology tutor
28231 Views

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