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.
Define and working of pneumatophores with example?
Aerial roots are the roots that can be observed above the ground and are essentially always adventitious in nature. Aerial roots are observed in several plant species, including many epiphytes such as orchids, coastal swamps i.e. mangroves, banyan, figs, and many vines etcetera. The aerial roots can be of several types (on the basis of negatively and positively geotropic) including stranglers, pneumatophores, haustorial and propagative roots etcetera.
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