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What is a mutation and what are they caused by?

A mutation is a change in the base sequence of DNA. A mutation can be caused by a mistake during replication of DNA or by mutagenic agents. Mutagenic agents include chemicals that can act as bases or r...

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Answered by Nadine K. Biology tutor
4639 Views

NaOH is a strong base. An aqueous solution is made containing 0.300mol.dm^-3 of NaOH at room temperature. Calculate the pH of this solution.

Concentration of NaOH=Concentration of OH- ions (NaOH is a strong base)

Kw=1x10^-14 (at room temperature/25 degrees)

using Kw=[H+][OH-]

We can figure out the [...

NK
Answered by Nadine K. Chemistry tutor
17799 Views

What is an optical isomerism?

Optical isomerism is a type of stereoisomerism which includes a chiral carbon. This means the pair of molecules have the same structural formula but the four different groups around the carbon atom are...

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Answered by Nadine K. Chemistry tutor
4047 Views

What is transcription?

Transcription is the process of making DNA into mRNA. DNA first has to be transcribed into messenger RNA (mRNA), this mRNA can then be translated into a protein (amino acids). DNA Polymerase (an enzyme...

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Answered by Nadine K. Biology tutor
7426 Views

What is the structure of DNA?

DNA is made up of two long chain backbones, bound together and forming a double helix shape. These backbones are made up of repeating units, each of which have the following structure:

A ...

NH
Answered by Natalie H. Biology tutor
4658 Views

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