Nucleic acids are composed of nucleotides. These nucleotides are in themselves made by nucleosides (purines and pyrimidines) bound to one, two, or three phosphate groups. Thus, the answer is D.
bacteria in food can be killed by many means such as:
a) Pickling. for example food is pickled as bacteria cannot live in very acidic conditions.
b) Boiling. boiling water or liquids can help kill bacteria present in them.
c) Using preservatives can also help
d) Immersing food in salt or sugar solutions is also an other way
Answer:Saturn has 82 but only 53 has been named
Explanation: