<span>Changing one amino acid in the protein hemoglobin causes sickle-cell anemia.</span>
A renewable resource is something that provides power but will never run out. Eventually natural gas and oil and coal will run out. Wind is renewable because it will never run out, unless the world ends, then it won't matter.
Answer : True
Enrichment cultures are used to increase a small number of desired organisms
It is made up of many layers and becomes sandy but rough