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Draw the chemical structures of butane, butene and butyne.

I would then go through with the student and explain that an alkane is a hydrocarbon made up of single carbon-carbon bonds only. This is why butane ends in -ane, it begins with but- due to the number of c...

GI
Answered by Gavin I. Chemistry tutor
9489 Views

Discuss the bonds which comprise the tertiary structure of protein.

Bonds in a protein's tertiary structure occur entirely between the highly variable R-groups of the amino acyl residues. Firstly, hydrogen bonds further to those in the secondary structure may form between...

JB
Answered by Jamie B. Biology tutor
5996 Views

12 + 37 + 47

12 + 37 + 47 = (10 + 30 + 40) + (2 + 7 + 7) = 80 + 16 = 96

It is important to visualize well the operation, being able to separate and put together the numbers that are easy to calculate together. ...

MH
Answered by Marie H. Maths tutor
2357 Views

Tout d’abord, peux-tu me donner quelques renseignements sur toi ?

Je m'appelle Marie, j'ai 19 ans. ma date de naissance est le 18 mai 1998 J'ai un frère et une soeur. Je suis né à Paris et je suis française. Je suis une étudiante à l’université de Bristol, j’étudie la Z...

MH
Answered by Marie H. French tutor
2492 Views

Describe 2 features of the music in this extract that would suggest an African influence

  • Polyphonic rhythms similar to those used within the African drumming style - Use of the Djembe - Use of African spoken language - The shaker used to good effect to create crickets/insect sounds
  • ...
CP
Answered by Charles P. Music tutor
3440 Views

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