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Explain how a deletion mutation in a strand of DNA can affect the primary, secondary and tertiary structures of the protein for which it codes.

A deletion in a strand of DNA would result in a frameshift mutation, where the other base pairs following the deletion would move 'to the left' which would change the base pairs throughout the rest of the st...
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Answered by William S. • Biology tutor
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Explain what is meant by counter current exchange in fish? Describe how it works and what adaptations the gills have to assist it.

Counter current exchange is the mechanism in which oxygen enters the blood in fish. Blood flows in the opposite direction to the water that flows over the fish's gills. Fish gills have gill filaments and the...
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Answered by Katie F. • Biology tutor
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What is the equation for photosynthesis?

6CO2 + 6H2O => (light energy) => C6H12O6 + 6O2
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Answered by Melanie T. • Biology tutor
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What are the different hypothesised methods of DNA replication.

There are 3 types: conservative, semi conservative and dispersive.conservative entails the original DNA strand remaining intact with a whole newly synthesised DNA strand being formedsemi conservative entails...
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Answered by Ronan F. • Biology tutor
3009 Views

Explain the process of peptide translation

Following transcription and splicing, mature mRNA travels to the ribosome and displays the start codon. A tRNA molecule which has an anti codon that is complementary to the mRNA start codon matches with the ...
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Answered by James S. • Biology tutor
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