What is in atp that ADP also has?
1 Answer
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Explanation:
ATP is an example of a nucleotide...and some may say a phosphorylated nucleoside.
Let's take a nucleoside. All nucleosides (ATGCU) have two main components. The first is the nitrogenous base (adenine, Guanine, Thymine, Cystosine, Uracil). These are 1 and 2 ring systems (known as Pyrimidines and Purines). The other component they all have is a Ribose sugar. DNA nucleosides have a 2`deoxyribose sugar, and RNA has they regular ribose sugar.
To make a nucleoside a nucleotide, you add phosphate(s) to the sugar. ATP is an example of a triphosphate nucleotide.
It has PO4-PO4-PO4-Sugar-Base
ADP is missing 1 phosphate group:
PO4-PO4-Sugar-Base
So, ADP and ATP both have adenine base, ribose sugar, and 2 phosophates. ATP has 1 extra phosphate.