Answer:
Hydrogen ions
Explanation: pH is the concentration of hydrogen ions (H+) in a given solution. A pH of 1 means there are a lot of hydrogen ions and a pH of 14 means there is a very small concentration if them.
Each nucleotide, in turn, is made up of a nitrogenous base, a pentose sugar, and a phosphate.
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it is CHLOROPLAST which is only found in plant cell
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B. If that is sea anemone then it does not undergo photosynthesis.