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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...
NR
Answered by Niva R. • Biology tutor
3676 Views

How does vaccination provide immunity?

Pathogens are microorganisms that can cause disease. If they enter the body, they can start an immune response. On their surface, they have antigens, which are substances that start that immune response. Ant...
LF
Answered by Lana F. • Biology tutor
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How is information passed across a synapse?

A synapse is a junction between neurons. For neurons to communicate signals to each other, it is vital that information can cross the synapse when appropriate. The neuron before the synapse (the presynaptic ...
AT
Answered by Alex T. • Biology tutor
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Which of these is a correctly balanced equation for respiration? C6H12O6 + 3O2 → CO2 + 3H2O C6H12O6 + 6O2 → 6CO2+ 6H2O C6H12O6 + 6O2 → 6CO2 + 3H2O

Teaching points: Go through balancing equations Formalae of glucose Different types of Respiration - and how to balnce other equations Respiration in animals vs plants By product of Lactic acid - what it is ...
AP
Answered by Anish P. • Biology tutor
9527 Views

A patient has the cold, explain to them why antibiotics can only be used to treat certain types of infection and the issues that develop when antibiotics are used too much.

Infections can be caused by bacteria, viruses or fungi. Antibiotics are a class of drug designed to kill or stop the growth of bacteria. They cannot be used to treat infections caused by viruses, such as the...
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Answered by Catherine S. • Biology tutor
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