A DNA sequence that is 15 nucleotides long would normally give rise to a polypeptide sequence that would be 5 amino acids long. This is assuming that all the nucleotides in the DNA sequences are strictly coded to form only sense codons and not a single nonsense codon, also called termination codon
A sense codon is a set of three nucleotides also called a triplet, that codes for a particular amino acid. A DNA sequence of 15 nucleotides has 5 codons.
A nonsense or termination codon is one that does not code for any amino acid. There are three nonsense codons found on mRNA, and these are UAA, UAG and UGA. So if the DNA sequence has one of these, then the amino acids in the polypeptide chain will be 4 in number
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When testing for hiv, an Antibody screening test produces more accurate results than the elisa test.
<u>Explanation:</u>
An Antibody screening test is the best test available to diagnose a HIV infected person by spotting a particular protein in the infected blood sample. HIV a sexual borne disease is highly contagious and a life taker. The earlier it is been deducted through the antibody screening test and the treatment can be given to expand your life cycle.
ELISA test is a normal test that is done collecting the blood sample of the patients and when known an ELISA test is done on an individual it defers and shakes the person scary to death as it takes a minute for the test but a long wait to announce the result
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