Genetic –nucleic acid

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Information about Genetic –nucleic acid
Education

Published on March 8, 2014

Author: Macbirdynw

Source: slideshare.net

Description

genetic powerpoint

RNA is ma up of : Ribose sugar Phosphate A nitrogenous base , e.g. Purine (adenine and guanine ) and pyrimidines (cytosine and uracil ) •RNA exists largely as single nucleotide chains in living The RNA strand is made up of alternating molecules of ribose sugar and phosphate A sugar, a nitrogenous base and a phosphate together form a ribonucleotide An RNA molecule is a polymer of ribonucleaotides

mRNA ( MESSENGER RNA)  t RNA ( TRANSFER RNA )  r RNA (RIBOSOMAL RNA)  c RNA ( CATALYTIC RNA )  sn RNA ( SMALL NUCLEAR RNA )  sno RNA ( SMALL NUCLEOLAR RNA) 

mRNA Single strand RNA nucleotides  A poly nucleotide strand synthesized according to the code of the DNA  It carries the code in base triplet (codon)form , from the DNA to the ribosome  Found in the nucleus of the cell.

A SINGLE RNA FOLDED IN THE SHAPE OF A CLOVER LEAF IT CARRRIES A SPECIFIC AMINO ACID ON ONE END AND TRANSFER IT TO THE RIBOSOMES HAS ANTICODON ON THE OTHER, THE ANTICODON BASE – PAIRS WITH A COMPLEMENTARY CODON ON m RNA

The two ribosomal subunits (large and small ) are made of protein and ribosomal RNA (r RNA) The single –stranded molecule of r RNA is variously folded and twisted upon itself in certain region forming a secondary structure . Found in the ribosome in the cytoplasm of the cell

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