Wednesday, January 22, 2014

Nucleic Acid

Macro pinpoint: Nucleic Acid Examples: DNA- Its sugar is deoxyribose; its due northous bases are Adenine, Guanine, century & triiodothyronine; the act of basiss in a molecule is more than than 45 million; its shape resembles paired strands coiled in a double helix; and its function is to store genetical information that controls protein deductive reasoning. RNA- Its sugar is ribose; its atomic number 7-bearing bases are Adenine, Guanine, Uracil & Cytosine; the tour of nucleotides in a molecule is between 100 to 50 thousand; its shape varies with hydrogen binding along the eon of the strand with cardinal types: mRNA, tRNA & rRNA; and its function is to perform protein synthesis as directed by DNA. Structure: Nucleic acids contain carbon, oxygen, hydrogen, nitrogen and phosphorus with one or two long conform up of nucleotides formed by dehydration synthesis. Each nucleotide has three components covalently bound to charmher: a pentose (a five carbon sugar) ab andoned to twain ribose (RNA) and deoxyribose (DNA); a phosphate group; and a nitrogen-bearing base (adenine, guanine, thymine, cytosine & uracil-which replaces thymine in RNA). All nucleic acids yield two distinctive ends: the 5 (5-prime) and 3 (3-prime) ends, which refers to the carbons on the sugar. For both(prenominal) DNA and RNA, the 5 end bears a phosphate, and the 3 end a hydroxyl group group. Nucleic acids are synthesized in a 5 to 3 direction. The following draw represents the planetary structure of part of a DNA molecule viewing its bond type and organisation: Cellular public discussion: aerobiotic respiration involves a catabolic reaction in which the large molecules (nucleic acids) are reduced to smaller units (nucleotides) and this pass ons in glycolysis. The covalent bonds (high ability bonds) between nucleotides create energy when worried and mostly occur in the cytoplasm. The breakdown requires an enzyme such as adenosine triphosphatase (ATPase- enzymes that catalyse the bunkum of ATP). T! he monomers are further degraded to lay off energy...If you want to get a full essay, order it on our website: OrderEssay.net

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