Imagine you have three test tubes containing identicalsolutions of purified, double-stranded human DNA.You expose the DNA in tube 1 to an agent that breaksthe sugar-phosphate (phosphodiester) bonds. Youexpose the DNA in tube 2 to an agent that breaks thebonds that attach the bases to the sugars. You exposethe DNA in tube 3 to an agent that breaks the hydrogen bonds. After treatment, how would the structuresof the molecules in the three tubes differ?
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.
Imagine you have three test tubes containing identical
solutions of purified, double-stranded human DNA.
You expose the DNA in tube 1 to an agent that breaks
the sugar-phosphate (phosphodiester) bonds. You
expose the DNA in tube 2 to an agent that breaks the
bonds that attach the bases to the sugars. You expose
the DNA in tube 3 to an agent that breaks the hydrogen bonds. After treatment, how would the structures
of the molecules in the three tubes differ?
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