Top answers

All subjects
All levels

What is DNA replication and how does the cell cycle regulate cell division?

DNA replication is the production of two identical DNA strands from one original DNA molecule and is a nearly error-free process that occurs in all living organisms. This is because, in order for a cel...

AA
Answered by Azeem A. Biology tutor
10975 Views

What are the characteristics of a single-blind study?

They are experiments in which the subjects are unaware of whether they are recieving a real or fake drug treatment.

As a result, they help reduce bias and placebo ...

SM
Answered by Seanan M. Psychology tutor
5916 Views

What is the difference between a gene and an allele?

A gene is a section of DNA or RNA that codes for a protein. Alleles are different versions of the gene.  For example, if a gene coding for a particular enzyme mutated, then there would be two alleles o...

EP
Answered by Ellen P. Biology tutor
7118 Views

How do I revise novels my English Literature GCSE exam?

Firstly, make sure that you understand and can remember the plot of the book. If you have not made summarising notes throughout the year, do not worry. Although your personal notes are better as they a...

HN
18579 Views

Why can longitudinal studies be problematic?

Longitudinal studies are those which are carried out over a long period of time. Longitudinal studies can be problematic because, over time, participants may drop out. This is an issue because it leave...

HN
Answered by Hannah N. Psychology tutor
4222 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