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Solve 7x - 14 = 4x + 7

Like all equations, you're going to start off by getting all the x's on the same side of the = side and all the rest on the other side. So we start off with 7x-14=4x+7. Moving the x's to one side means that ...
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Answered by Daan F. • Maths tutor
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What qualities and skills do you think make a good doctor?

A doctor must have a variety of skills and qualities to provide effective and safe patient care. Above all the medical knowledge, I would say that the most important quality that a doctor should have is empa...
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Predict the relative boiling points of propanal, butane and prop-2-en-1-ol from the highest to the lowest boiling point

In prop-2-en-1-ol, the strongest intermolecular forces acting between the molecules are hydrogen bonds. In propanal, the strongest intermolecular forces acting between molecules would be permanent dipole-dip...
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Answered by Rajan K. • Chemistry tutor
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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
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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
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