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The entire mechanism of protein synthesis in eukaryotes is generally the same as in prokaryotes, with three phases explained as termination, elongation and initiation. Furthermore, there are some significant differences, mainly in during initiation.
? Whereas a prokaryotic ribosome has a sedimentation coefficient of 70S and subunits of 50S and 30S, a eukaryotic ribosome has a sedimentation coefficient of 80S with subunits of 60S and 40S. The composition of eukaryotic ribosomal subunits is also more difficult than prokaryotic subunits but the function of every subunit is essentially the similar as in prokaryotes.
? In eukaryotes, each mRNA is monocistronic which is, discounting any subsequent post-translational cleavage reactions which should happen the mRNA encodes a one protein. In prokaryotes, various mRNAs are polycistronic which is they encode many proteins. every coding sequence in a prokaryotic mRNA has its own termination and initiation codons.
? Starting of the protein synthesis in eukaryotes needs at least nine distinct eukaryotic initiation factors (eIFs) compared with the three initiation factors (IFs) in prokaryotes.
? In the eukaryotes, initiating amino acid is methionine isnot N-formylmethionine as in prokaryotes.
HEAR T OUTPUT The amount of blood pumped by heart per minute. Heart beat is 72. Pump out blood is 70 ml. This 72 × 70 = 5040 ml. ( 5 litres) blood is pumped in a minute.
CHROMOSOME S AND MOLECULAR HOMOLOGY - The DNA content of diploid cells is similar. Hoyer et al in 1965 showed that DNA of humans was 100% similar with chimpanzee and 94%
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Concerning tissue complexity how different are cnidarians from poriferans? Cnidarians have true tissue differentiation, they present separate organized tissues in the body. Por
Q. Explain Spoilage of Sweetened condensed milk? The sweetened condensed milk contains about 8% milk fat, 23% total milk solids and sweetened with the addition of a sweetener,
Define Precaution for Separation of Amino Acids by Paper Chromatography? 1. Hold the paper with the extra strip kept at one side. Handling of whatman paper with hand should be
What would be the approximate number of amino acids of a protein with a mass of 203 kd? Assume an average molecular weight for amino acids of 110 grams/mol.
What is Fehling's test - Reduction Tests? This test is answered by all reducing sugars which possess a free aldehyde or ketone group. All monosaccharides possess a free aldehyd
Diabetes mellitus, Types I and II is a disorder regarding the defects in insulin action. Type I diabetes is characterized by an inadequate insulin secretion; Type II diabetes is
Sedge-Meadow Stage - Hydrarch Favoured by an increasing amount of light, as the former occupants disappear, they gradually change the reed swamp into a sedge meadow. And now s
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