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Why do cells first transcribe messenger RNA from DNA and then translate messenger RNA to protein? Why not directly translate DNA to protein?

Practically, the cell is unable to translate proteins from DNA as the translation machinery is in the cytoplasm and the DNA is in the nucleus and so the messenger RNA (mRNA) communicates the genetic code to ...
DG
3675 Views

What if the author didn't 'mean' all the things we're analysing?

Although authorial intention can illuminate a reading of a certain text, it is in many ways irrelevant. The author will have been impacted by things in his/her lifetime that they may not have been aware of ,...
JH
4155 Views

How can diet increase risk of cardiovascular disease?

A diet high in saturated fats can increase risk of cardiovascular disease. This is due to higher blood cholesterol levels. Cholesterol is a major constituent of the fatty streaks deposited in the artery lini...
AA
Answered by Ayaz A. • Biology tutor
3238 Views

What is acetylcholine?

Acetylcholine is a neurotransmitter used by cholergenic neurones.Neurotransmitters are chemicals used as a signalling molecule across a synapse.Acetylcholine will be released from the presynaptic bulb from v...
AM
Answered by Abby-Lee M. • Biology tutor
5484 Views

Can you explain ultrafiltration to me?

Ultrafiltration is the filtering of blood at the 69000 rmm molecular level. It occurs between the glomerulus and the bowman's capsule in the nephron of the kidney.There are three layers to the filtration;The...
AM
Answered by Abby-Lee M. • Biology tutor
5584 Views