Assignment Due April 20 name 1. Using the codon chart in your text (inside Back

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Assignment Due April 20 name 1. Using the codon chart in your text (inside Back Cover) translate the following message in three reading frames assuming upstream: that the ribosome has already started translating the message NNNCUGUAUAGAGCCUGAUCGGCGGNNN 2. a. What is the anticodon sequence in the tRNA of the charged tRNA that would bind to the last readable codon in the message below (N maybe in your answer)? 5' NG CUGUGCGCGCN3 b. What amino acid would be present on this tRNA? This exercise uses an online 3D structure analysis software. Go to www.wwpdb.org and clic on RCSB PDB (scroll down lower left) to download structures [over 10,000 files!!] At the site enter SEMQ. Under the colored ribbon diagram on the left, clic on NGL as the 3D viewer. Move the molecule around to find an end of the DNA. On the right under Style? choose Licorice and under Color choose Element. (the gray balls are zinc ato ms) 3.The DNA has an unpaired pyrimidine at both ends that happens to be the same base, name this base: 4. Is the unpaired pyrimidine at the 3'or 5' end of the strands? 5. Now look at the protein/DNA interaction in cartoon, spacefill and licorice coloring chain and element. Near the middle of the DNA, an amino acid from each subunit reaches toward the a. what is that amino acid ? minor groove. b. what kind of non-covalent bond is involved?

Explanation / Answer

the required terms to tackle the questions are...

translation is accomplished by the ribosome which links the amino acid in an order specified by messenger rna using transfer rna molecules to carry amino acids and read the amino acids the three rna three nucleotides at a time . the genetic code is highy similar among all the organisms and can be expressed in a simple table with 64 entries.

the genetic code is the set of rules used by living cells to translate information encoded with genetic material inrto protiens

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