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Biology
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How can a DNA mutation be neutral?

The effects of a mutation can be limited at several stages of gene expression. 1) Transcription: If the mutation is in a non-coding region, this is not transcribed into mRNA and so there is no change to t...

Answered by Vi R. Biology tutor
1953 Views

What is the structure of DNA?

DNA stands for deoxyribonucleic acid. And what is DNA? Well, it’s basically a carrier of genetic information. DNA is found in all cells, and it contains the information needed for cells to live, to grow a...

Answered by Molly S. Biology tutor
6334 Views

What is an enzyme? and why are they so important for reactions to take place?

An enzyme is a type of protein which we call a biological catalyst. In biology, a catalyst is a chemical which helps speed up reactions without being used up itself. Therefore, if you add 2ml of an enzyme...

Answered by Laura P. Biology tutor
2337 Views

Give 2 features of DNA and explain how each one is important is semi-conservative replication?

Semi-conservative replication would produce 2 copies that each contained one of the original strands and one new strand.  1- Weak hydrogen bonds between bases allow two strands to unzip2- 2 strands exists...

Answered by Fady K. Biology tutor
18721 Views

Explain what 5' and 3' ends mean in regards to DNA structure?

5' and 3' ends describes the directionality of the DNA molecule. Essentially, the strand of a DNA molecule can have a 5' end and a 3' end. To understand what a 5' or 3' end is, we need to look at the mole...

Answered by Nathalie A. Biology tutor
19335 Views

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