Question

write a complete note on central dogma ? DNA REPLICATION, TRANSCRIPTION and translation. ​

Answer 1

Answer:

Explanation

• The central dogma of molecular biology explains the flow of genetic information, from DNA ?to RNA?, to make a functional product, a protein?.

• The central dogma suggests that DNA contains the information needed to make all of our proteins, and that RNA is a messenger that carries this information to the ribosomes?.

• The ribosomes serve as factories in the cell where the information is ‘translated’ from a code into the functional product.

• The process by which the DNA instructions are converted into the functional product is called gene expression?.

• Gene expression has two key stages - transcription? and translation?.

• In transcription, the information in the DNA of every cell is converted into small, portable RNA messages.

• During translation, these messages travel from where the DNA is in the cell nucleus to the ribosomes where they are ‘read’ to make specific proteins.

• The central dogma states that the pattern of information that occurs most frequently in our cells is:

1. From existing DNA to make new DNA (DNA replication?)
2. From DNA to make new RNA (transcription)
3. From RNA to make new proteins (translation).