A hydrogen bond forms from the attractive force between a hydrogen atom covalently bonded to a very electronegative atom.
Answer: Explanation:
Sickle hemoglobin differs from normal hemoglobin by a single amino acid: valine replaces glutamate at position 6 on the surface of the beta chain. Therefore the red blood cell bends differently giving it a sickle shape
No , it didn't increase cases of addiction.
Well maybe that species evolved over time to get faster and be more durable because of the need to run away from lions and other prey.
Test tube babies are a babies conceived by in vitro fertilization.
in virto fertilization is a process by which an egg is fertilised by sperm outside the body.
hope this helps :)
