Search our library of homework questions

Top answers

All subjects

All levels

What is the difference between DNA and RNA?

So, to start with what's the same, they are both molecules that are made from a nitrogenous base (Check understanding of term) and a sugar phosphate backbone. Now onto differences, DNA gets its name becau...

Answered by Rob P. • Biology tutor

2643 Views

Imagine a ball rolls off a set of stairs with horizontal velocity, u; the stairs have a height, h and length of l. Find a formula for which step the ball will hit, n.

We set up equations in horizontal and vertical directions assuming constant acceleration due to gravity, g. It is always useful to draw a diagram to see what's going on. Using the SUVAT formula of s = ut...

Answered by Joshua B. • Physics tutor

1801 Views

Describe how reduced NADP and ATP is produced during the light-dependent stage of photosynthesis.

ATP is produced during both cyclic and non-cyclic photophosphorylation.During cyclic photophosphorylation, a photon of a wavelength 700nm hits a chlorophyll molecule in PS1 and excites a single electron. ...

Answered by Harison S. • Biology tutor

18212 Views

What are the key features of Kantian deontology and what problems do they pose?

Deontological ethical theories are rule based with strict ideas of right and wrong. Kant considered humans to be autonomous beings, capable of reason and thereby able to construct and impose their own eth...

Answered by Harriet S. • Philosophy tutor

20250 Views

'The assassination of Archduke Franz Ferdinand was the main cause of World War One'. To what extent do you agree?

Unpack the QuestionWar = caused by the assassination. Implies other possible causes; what are they?If we agree, why is it a more important cause than others.
Causes...

Answered by Callum E. • History tutor

3187 Views