Top answers

All subjects
A Level

Explain why, in the long run, a firm will always make normal profits.

The condition for this scenario is that perfect competition must hold, whereby there is free entry to and exit from the market, and perfect information is available to all firms.In the short run, if firms...

JR
Answered by Joe R. Economics tutor
2482 Views

What enzymes are used in the process of DNA replication and what are they used for?

The two enzymes used in DNA replication are DNA helicase and DNA polymerase.The DNA helicase is used to break the hydrogen bonds between the two DNA strands so that the strands can unzip. After fre...

SG
Answered by Seraphima G. Biology tutor
3177 Views

What is meant by a positive feedback loop, and could you give an example?

Feedback loops/systems/cycles can be either positive or negative, and it is important to understand the difference between the two. Crucially, in this case, 'positive' does not refer to something which is...

TH
Answered by Tom H. Geography tutor
6693 Views

Define resolution in regards to images and how it differs from colour depth

Resolution is the number of pixels in a given unit area (dots per inch). A higher resolution increases the quality of an image. Colour depth is the amount of memory stored by each pixel (number of bits pe...

FW
Answered by Freya W. Computing tutor
4623 Views

Translate the following sentence into English: 'the citizens persuaded all the men to listen to the emperor'.

Acceptable answer:cives omnibus hominibus persuaserunt ut principiem audirent.
This is a tricky question because the verb 'persuadeo' is followed by 'ut + ...

DW
Answered by Dominic W. Latin tutor
2184 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning