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CS708 PAST PAPERS

CS708 PAST PAPERS

 

See also:

CS201 FINAL TERM SOLVED PAPERS BY WAQAR SIDHU.ENG101 FINAL TERM SOLVED MCQS.CS403 CURRENT FINAL TERM PAPERS.CS101 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS201 FINAL TERM SOLVED PAPERS BY MOAAZ MEGA FILE. CS205 FINAL TERM PAST PAPERS. CS204 FINAL TERM PAST PAPERS. CS301 FINAL TERM SOLVED PAPERS BY MOAAZ. CS304 FINAL TERM SOLVED PAPERS BY MOAAZ. CS311 FINAL TERM SOLVED PAPERS BY MOAAZ. CS401 FINAL TERM SOLVED PAPERS BY MOAAZ

 

Note that 61 different codes encode 20 amino acids.
protein. Does it mean to go?
Generate 61 different types of dRNA, each containing a different antigode? No. Due to the specificity of the cell base, two-thirds of the number of dRNA species are occupied.
Number 3″ end of codon (and 5″ end of anticodon).

Always strictly observed. This phenomenon, called wavering,
For example, the alanine codons GCA, GCC and GCU, allow all to be recognized by the same tRNA. allowed to waver
in some matches, but not in others; the most important thing is
The genetic code is not allowed to be ambiguous!

Activation of enzymes that bind the appropriate DNAs
and amino acids
Is each DNA charged with the correct amino acid?
Obtained by a family of active enzymes, formally known as aminoacyl-dRNA synthase.

 

Each activating enzyme is specific for an amino acid and its associated DNA. Enzymes have an active base of three components
It identifies three small molecules: a specific amino acid,
ATP and a specific dRNA.
The active enzyme reacts with the DNA and an amino
Acid (AA) in two phases:

Enzyme + ATP + AA → Enzyme – AMP – AA + PPI
Enzyme – AMP – AA + tRNA → Enzyme + AMP + tRNA – AA
The amino acid is attached to the 3rd end of the DNA (free .)
ribose (OH group) is formed with an energy-rich bond.

charge dRNA. This bond provides energy to form a peptide bond that binds to nearby amino acids.
The Brilliant Experiment of Seymour Benzer and His Colleagues
California Institute of Technology demonstrates importance of specificity of dRNA link

 

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