Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
Name the three different polysaccharides. explain their structure (and their differences) and where they occur (where you find them).
Polysaccharides are ubiquitous in nature. Polysaccharides are polymers with hundreds or thousands of monosaccharide units. They are usually not sweet in taste like other sugars. They are also called as non-sugars or glycans. Structural polysaccharides provide mechanical stability to cells, organs, and organisms. Polysaccharides can contain only a single type of monomeric unit, hence called homo-polysachharides or can be heteropolysaccharides which contain two or more different types of monomeric units.
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