"27 days, 7 hours, and 43 minutes for our Moon to complete one full orbit around Earth"
I believe the answer is B. <span>The antibodies on B cells bind to the antigens on the pathogen's surface.
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Answer:
As part of the phosphate group, it is a component of DNA, RNA, ATP (adenosine triphosphate), and the phospholipids that form all cell membranes.
