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Using your knowledge of genotype and phenotype, explain why identical twins may have different personalities.

As identical (monozygotic) twins share 100% of the same genetic material, we can say that their genotype is identical. However, this is only an example of how nature can influence behaviour that is partly ge...
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Answered by Sophia Z. • Psychology tutor
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Why would the National Grid limit the amount of fossil fuels we combust at peak times of energy demand?

What do we know about fossil fuels? We know they have a high energy density upon combustion, hence why we've combusted them since the beginning of the industrial revolution to increase economic growth and qu...
TD
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How does a mutation lead to a non-functional enzyme?

Chanege in base sequence= change in sequence of triplet codes= change in sequence of amino acids= change in primary structure= change in hydrogen/ionic/disulfide bonds= change in tertiary structure= change i...
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Answered by Samatar O. • Biology tutor
5647 Views

Interview: (Shown protein structure of virus capsid) Explain what you think this structure is, and how knowing the structure may be of relevance to medicine?

(Note that a question like this would be done in parts, with interviewers guiding candidates through the questions based on their answers and their thought processes). This looks like the outer protein shell...
TL
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How does the molecular structure of graphite relate to its properties?

Graphite is carbon-based, formed of multiple sheets of carbon atoms. The carbon atoms are bound to three neighbouring carbon atoms by covelent bonds, leaving a free electron which can conduct current through...
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Answered by Timothy L. • Chemistry tutor
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