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Describe the mechanism by which antibiotic resistance develops in bacteria?

  1. Within a population of bacteria, one bacterium undergoes a random mutation in it’s DNA resulting it it having antibiotic resistance. The chance of this mutation happening can be increased by the ove...
MC
Answered by Megan C. Science tutor
1849 Views

Phosphorus(III) chloride molecules are pyramidal with a bond angle less than 109.5°. Explain why a phosphorus(III) chloride molecule has this shape and bond angle.

Phosphorous (III) Chloride consists of one phosphorous atom covalently linked to 3 individual chlorine atoms. Phosphorous is found in group 5 of the periodic table, hence it has 5 outer shell electrons, i...

TD
9930 Views

Using an example, describe how a business can use Corporate Social Responsibility to their advantage.

GSK is a PLC, so one of its main goals is to satisfy its shareholders and investors by paying them dividends each year, which come from their profits. The more profit made, the more each shareholder gets....

CG
1337 Views

Why would the mass of a piece of potato change when it is placed in different sugar solutions?

It's all due to a process called osmosis and the movement of water from a high water potential to a place of low water potential, passing through a partially permeable membrane. So what does this mean? If...

JG
Answered by Joanna G. Biology tutor
70875 Views

Expand 4x(x+2)

For this type of question, we always simply take the term outside the bracket and multiply it with the terms inside the bracket sequentially. So, first we evaluate 4x * x, which gives us 4x2. N...

CC
Answered by Callum C. Maths tutor
5679 Views

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