Top answers

How do I systematically name alkanes?

When naming alkanes, I like to follow a set of rules:Firstly, draw out the molecule structurally showing all bonds present. Next identify the longest carbon chain. The longest carbon chain determines the suf...
NM
Answered by Nora M. • Chemistry tutor
2874 Views

People who have McArdie's disease produce less ATP than healthy people. As a result, they are not able to maintain strong muscle contraction during exercise. Use your knowledge of the sliding filament theory to suggest why (AQA BIOL5)

Idea ATP is needed for:1. Attachment / cross bridges between actin and myosin;2. Power stroke / movement of myosin heads in rowing action / pulling of actin towards the centre of the sarcomere;3. Detachment ...
SO
Answered by Salma O. • Biology tutor
11787 Views

What is the best way to plan an essay about what caused the outbreak of the English Civil War?

The best way to structure essays about the causes of an event is to pick a central factor you believe to be the most important. You must discuss multiple factors in an essay but come to the conclusion that o...
DV
Answered by Daniel V. • History tutor
4244 Views

What's the difference between the German cases?

The case system in English is not really used anymore so it's a common for difficulty for native English learners of German to get their heads round it! In German there are 4 cases which change articles (the...
LA
Answered by Lydia A. • German tutor
2427 Views

Why do masculine nouns sometimes change to den instead of der when there isn't a preposition?

Whether the noun begins with den or der depends on the case it is in (and the rule works in the same way for the articles ein/mein/etc). The case is determined by the role the noun is playing in a particular...
MK
Answered by Martha K. • German tutor
3970 Views