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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
5672 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...
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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
8848 Views

Question on tenses, continued in further depth for A level

When reading literary texts, you may also come across a tense called le passe simple. Like the perfect tense, the past historic refers to an action of any duration completed in the past (as opposed to the im...
AC
Answered by Antoinette C. French tutor
2433 Views

Do we have to write PEE or PETAL or PEAL paragraphs?

NO! Actually, you sort of do. The elements from each of these infuriating acronyms should appear in your standard paragraph. Remember every paragraph must have at least three sentences to be a paragraph, and...
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Answered by Sam W. English tutor
8172 Views