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Why should we not overprescribe and overuse antibiotics?

Antibiotics are used for killing bacteria and therefore, it can act as a selection pressure. This means that the bacteria can mutate, in order to avoid being killed and this would be a favourable mutation, a...
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Answered by Niva R. Biology tutor
3546 Views

How do I find the inverse of a 3x3 matrix?

We start by finding the determinant of this matrix using the cofactor method (I.e for each entry in the matrix, cross out the row and column in which it resides and find the determinant of the matrix formed,...
RR
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Mutations leads to the production of a non-functional protein. Explain why.

Mutations changes triplets/codons after that point and causes a frame shift Changes amino acid sequence after this as it codes for different amino acids Affects hydrogen/ionic/sulfur bonds but not peptide bo...
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Answered by Carmen H. Biology tutor
15486 Views

A myelinated axon conducts impulses faster than a non-myelinated axon.

In myelinated axons, there is action potential/depolarisation only at the nodes. In myelinated axons, the nerve impulses jump from node to node, therefore there is saltatory conduction. In myelinated axons, ...
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Answered by Carmen H. Biology tutor
5991 Views

What is the subjunctive and how is it formed in French?

Simply put, the subjunctive is a mood used to express opinions, feelings and expressions of doubt or possibility. While it does exist in English, it is infrequently used and even less frequently taught so un...
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Answered by Philip W. French tutor
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