The rungs of the double helix in DNA are made up of nitrogenous base pairs: Adenine, Thymine, Guanine, and Cytosine. The correct answer is C.
Answer:
it has a short demand but it is in great supply
Gregor Mendel, in full Gregor Johann Mendel, original name (until 1843) Johann Mendel, (born July 22, 1822, Heinzendorf, Silesia, Austrian Empire [now Hynčice, Czech Republic]—died January 6, 1884, Brünn, Austria-Hungary [now Brno, Czech Republic]), botanist, teacher, and Augustinian prelate, the first person to lay the mathematical foundation of the science of genetics, in what came to be called Mendelism.
An ion. When it loses electons, a positive ion is formed. When it gains electons, a negative ion is formed.