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What are the stages of protein synthesis?

Protein synthesis consists of two stages- transcription and translation. Transcription takes place in the nucleus- this is where a strand of mRNA is formed. A section of DNA is unwound by...

Answered by Yasmin Z. • Biology tutor

7158 Views

Calculate the empirical formula of a compound containing 77.7% Iron and 22.3% of oxygen.

An empirical formula is the simplest whole number ratio of atoms of each element present in the compound.1) Divide by atomic relative mass to find the number of moles. 2) Find a ratio between the moles. 3...

Answered by Jeel S. • Chemistry tutor

3515 Views

In the Rutherford alpha scattering experiment, most particles passed straight through the foil with little or no deflection. What can be deduced about the structure of the atom from this?

Answer: Most of the atom's mass must be concentrated in a small area at the centre of the atom. This is known as the nucleus.

Answered by Megan R. • Physics tutor

2074 Views

A populist argument for Brexit was that the Westminster Parliament cannot remain sovereign (in control) whilst the UK is a part of the European Union. Do you think this is true? Why/why not?

There is no correct answer to this question, it is designed more to see how the pupil reasons. However, the student should show a common sense and logical analysis of the things that they are already awar...

Answered by Makeda B. • Oxbridge Preparation tutor

953 Views

Annie, Brandon and Clara are buying pencils. Annie needs 5, Brandon needs 8 and Clara needs 13. Pencils only come in packs of 10. How many packs of pencils do they need to buy between them?

Since Annie needs 5 pencils, Brandon needs 8 pencils and Clara needs 13 pencils, the total number of pencils they need between them is 5 + 8 + 13 = 26. However, pencils only come in packs of 10, which mea...

Answered by Kate P. • Maths tutor

1889 Views