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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.
Q. How chloroplasts multiply? Like mitochondria chloroplasts have their own the DNA, ribosomes and RNA and they self-replicate through binary division.
PARATHYRIOD GLANDS - They develop from the endoderm of the embryo. The parathyroid glands consist of four separate glands located on the posterior surface of the lobes of
Define Termination phase - mechanism of protein synthesis? Termination: RNA polymerase recognizes the terminator, which results in no further nucleotides being incorporated and
Explain about the civil law. Civil law: This region of the law explains the rights and obligations of persons. This resolves any disputes occurring between persons over t
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COMPOUN D EPITHELIA (MULTILAYERED EPITHELIA) - These are made up of more than one layer of cells. The compound epithelia may be stratified and transitinal. 1 .
Determine Causes of Malnutrition? You may recall studying about the causes of malnutrition earlier. The causes of malnutrition are classified as immediate (individual level), u
Explain Nephrotic syndrome Nephrotic syndrome :- Kidney disease due to degeneration of renal tubule.
Hypoglycaemia Unawareness ? Some people with diabetes do not have early warning signs of low blood glucose, a condition called hypoglycemia unawareness. ? This conditio
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