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B. They protect against oxidative damage from excessive light energy
<h3>Explanation;</h3>
Some carotenoids seem to be function as photoprotectors.
These compounds absorb and dissipate excessive light energy that would otherwise damage chlorophyll or interact with oxygen, forming reactive oxidative molecules that are dangerous to the cell.
O positive is the most common blood type and most likely to be transfused. O negative donors are the “Universal Donor.” People with O negative blood are universal red blood cell donors. This means that their red blood cells can be transfused to any blood type.