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
The house fly develops in four stages: egg, larva, pupal, and adult.
Nitrogen fixation is a process that changes nitrogen within plants and soil into"nitrogen compounds"
An acronym for change would be preserve because that means keep