Top answers


How do bacteria become resistant to antibiotics?

That’s a really good question. Well are you familiar with the concept of Natural Selection? (assume correct explanation from the student). Yes, you’re right. It is in fact by this same mechanism that bacteri...
HC
Answered by Harry C. • Biology tutor
3821 Views

Evaluate the use of juries in criminal law.

Juries are random selections of the public from the electoral register, used in determining the verdict of (mostly) criminal cases - i.e., whether the defendant is guilty or not guilty. This can be decided u...
GR
Answered by Gabriel R. • Law tutor
16635 Views

How do I know whether a word is 'Der/Die or Das'?

There is no simple or unique rule for telling the gender of a word so it is important to learn the gender with the word when you are learning new vocaulary. However, there are some common word endings that t...
NI
Answered by Niamh I. • German tutor
3365 Views

Explain how an electromagnetic motor works?

A moving current in a magnetic field produces a force according to Fleming's Left Hand Rule. When a loop of wire with a current moving through it cuts magnetic field lines, movement is induced along the wire...
HS
Answered by Hannah S. • Physics tutor
3260 Views

What is the difference between mitosis and meiosis?

Mitosis and meiosis are both types of cell division that produce new cells, known as daughter cells, but there are some differences; Mitosis produces two identical new cells with two sets (or pairs) of chrom...
SC
Answered by Shannon C. • Biology tutor
5246 Views