Top answers

Describe the roles of calcium ions, ATP and phosphocreatine in producing contraction of S (b) a muscle fibre.

.
BF
Answered by Bertie F. • Biology tutor
4638 Views

I struggle with time management whilst doing an exam paper. How will I be able to answer every question in the time given for the exam?

The best way to improve time management is by practising past papers. These can be found on your exam board website e.g. AQA, Edexcel etc. By completing a past exam paper under timed conditions you are putti...
RP
Answered by Ruby P. • Maths tutor
5506 Views

Write the sponification reaction

(Will show actual reaction written down and through webcam) Fatty acid + 3 base -> 3 soap + glycerine
CV
Answered by Clara V. • Chemistry tutor
3543 Views

Name or formulate these compounds: i)CH3CH2CH(CH3)COOH ii)CH3CH2COCH3 iii) 3-hydroxy-2-pentanone iv) 1-propanamine

i) 2-methylbutanoic acid ii) Butanone iii)CH3CH2CH(OH)COCH3 iv) CH3CH2CH2NH2
CV
Answered by Clara V. • Chemistry tutor
18877 Views

Describe why Prohibition failed

Prohibition was the banning of production, transport and consumption of alcohol under the 18th amendment passed in 1920. Prohibition was instigated for several reasons. Firstly, a lot of alcohol - particular...
EN
Answered by Elizabeth N. • History tutor
10349 Views