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Explain why a pH probe is required in a fermenter used for culturing micro-organisms.

It is important to monitor the pH of the fermenter to ensure this acidity can be detected and acid or alkali can be added accordingly to make sure the fermenter is at the optimum pH for the microorganisms. T...
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Answered by Madeleine O. • Biology tutor
13584 Views

Give the key characteristic features of a prokaryotic cell.

Prokaryotic cells are usually 1-10 micrometers in size. Prokaryotic cells have a cell wall, which is usually complexed with a peptidoglycan layer. Prokayotic cells do not have a nucleus. Prokayotic cells do ...
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Answered by Branislav V. • Biology tutor
4270 Views

Describe the effects of changing the temperature on a reaction using Le Chatelier's princriple

Temperature: Exothermic reaction= energy given out to surroundings. Endothermic reaction= energy taken in from surroundings. If say a reaction runs at 300 degrees and we increase the temperature to 500 degre...
BV
2619 Views

How much of my personal statement should be demonstrating knowledge and how much should be past experiences?

Ideally, the two would be able to connect in some way. For example, past experiences volunteering at the local museum could highlight an aspect you particulalry enjoyed in a history lesson, or brought home t...
MB
2523 Views

How can I include context in my writing in a natural way?

One of the key points to remember when including context around the texts you are writing about, is to avoid simply attaching it to the end of a sentence. To help weave the context into your essays naturally...
KL
5581 Views