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Not all mutations result in a change to the amino acid sequence of the encoded polypeptide. Give an explanation.

The first reason is that the genetic code is redundant. This means that even though different codons have different matching t-RNAs and therefore usually different amino acids, some codons are matched with t...
LB
Answered by Luisa B. • Biology tutor
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What were the strengths and weaknesses of the Weimar Republic?

Aspects of the Weimar which extended the rights of citizen: the Bill of Rights, all men and women over the age of 20 having the vote, elected president and parliament (Reichstag) which made the laws and appo...
RD
Answered by Rachael D. • History tutor
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In what ways is Jane Eyre presented as a strong and determined character in the novel?

Find examples in the novel where Jane either overcomes adversity or goes against societal norms. We see her stand up to her aunt despite all the abuse she has faced at her hands over the years. Equally, alth...
RD
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How do enzymes work and what would be the effects of an increasing temperature on an enzyme controlled reaction?

Enzymes are biological catalysts that work by increasing the speed of a reaction, without being altered or used up in the reaction. Each enzyme has an active site specific to a particular substrate and there...
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Answered by Jessica H. • Biology tutor
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Describe how receptors in the skin function.

Receptors in the skin detect changes in the environment, so called stimuli. These could include a change in temperature or sensation, such as increased pressure, being touched somewhere or experiencing pain....
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Answered by Luisa B. • Biology tutor
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