9. (a) Q1 a. Justify why the base thyamine is prefered over guanine in DNA while the reverse is preferred in RNA. Provide the chemistry involved to support your answer. (b) How is ATP converted to ADP by glucose? Explain. Why is there no intake of phosphoric acid by glucose? (c) With the indication of sense strand, template strand, the direction of transcription, provide a diagrammatic representation of mRNA synthesis from the DNA. : (d) Why are omega-3 fatty acids called essential fatty acids? Provide the structure of any such fatty acid.
Coding Strand of DNA
When pointing to DNA transcription, the coding strand is found to be the DNA strand whose base sequence is indistinguishable from the base sequence of the RNA transcript developed. It is this strand that comprises the codons, while the non-coding strand comprises the anti-codons.
Nucleotide
Both DNA and RNA are composed of organic molecules known as nucleotides. Hence, nucleotides are known as the basic building blocks of nucleic acids. These substances play a role in various processes such as cell signalling, enzyme reactions, metabolism, and so on.
Structure of Cytosine
Cytosine is among the five primary nitrogenous bases of which DNA and RNA and are being used in storage and transportation of genetic makeup within a cell. Adenine, guanine, thymine as well as uracil are the remaining four nucleobases.
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