Answer:
The beta globin protein is one of the subunits of hemoglobin, a protein necessary for the oxygen-carrying function of red blood cells. People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.
Light from distant galaxies can help us calculate how old the galaxies are. By analyzing how the how the light has changed by the time it reached us, we can find out how old the star system from which it originates is.
When they replicate they are identical except for any mutations that happen
The composition of magma affects<span> the type of volcanic eruption. ... One key to what makes the eruption unique is the </span>chemical composition<span> of the magma that feeds a volcano, which determines (1) the eruption style ... Viscosity determines what the magma will </span>do. ... What are thecharacteristics<span> of felsic </span><span>lava</span>
<span>Mutations can bring about changes in appearance, structure, or function of many different areas, but many go unnoticed. Many of these changes are benign, some are advantageous, and some are negative. Some can be mixed (sickle cell anemia and malaria resistance).</span>