Top answers

All subjects
A Level

Explain the importance of accessory pigments in photosynthesis.

Accessory pigments, such as carotenoids and xanthrophylls, increase the rate of photosynthesis by increasing the efficiency of light absorption in both photosystem I and II, specifically in the light harv...

FW
Answered by Finley W. Biology tutor
20422 Views

Explain the view on beauty and morality that Oscar Wilde provides in 'The Picture of Dorian Gray'.

The Picture of Dorian Gray is highly allegorical and perfectly summaries the Aesthetic theories about the purpose of life which is only found in the pursuit of pleasure and beauty. Dorian realize...


The cubic polynomial f(x) is defined by f(x) = 2x^3 -7x^2 + 2x + 3. Given that (x-3) is a factor of f(x), express f(x) in factorised form.

f(x) = (x-3)(2x^2 - x - 1)f(x) = (x-3)(2x +1)(x-1)x = 3, -1/2, 1 are roots of the cubic equation.

OM
Answered by Oliver M. Maths tutor
9041 Views

What is the definition of a H-Bond?

A H-bond is an attraction between molecules. It is therefore an intermolecular force, and in fact one of the strongest. Molecules which exhibit H-bonding must contain a hydrogen that is directly bo...

OM
Answered by Oliver M. Chemistry tutor
2005 Views

How does a cyclotron work?

A cyclotron is constructed of two hollow, D-shaped electrodes that accelerate particles; they are opposite each other and there is a small gap between them. A magnetic field is used to bend the particle t...

EM
Answered by Edward M. Physics tutor
9333 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:

© 2025 by IXL Learning