Question

60. Forensic microbiology use the DNA fingerprinting for all of the above except: a to identify the source of bacterial or viral pathogens. b. bioterrorism attacks (Anthrax in U.S. Mail) c. trace medical negligence (Tracing HIV to a physician who injected it) d. outbreaks of foodborne diseases e. none of the above Short answers 1. Describe all of the steps of protein synthesis in eukaryotic cells. uoden liten 2. Draw a diagram of flow of the genetic information or

Answer 1

Question : Forensic microbiology use the DNA fingerprinting for all of the above except

Sol:- Option c - trace medical negligence ( tracing HIV to a physician who injected it)

Explanation: Because of HIV have RNA as a genetic materials, have no DNA.

1. Question: All the step of protein synthesis in eukaryotic cell

Sol:- First step - Activation of amino acid and attachment to tRNA

Second step- Initiation ( 5' cap and poly-A tail of the eukaryotic mRNA recognized by the translation initiation apparatus, this causes the circularization of eukaryotic mRNA)

Third step- Elongation is a cyclic process on the ribosome in which one amino acid at a time is added to the nascent polypeptide chain. ( have three stags Decoding, transpeptidation, and translocation)

Fourth step- Termination ( protein synthesis ends when one of the three termination codon UAA, UAG, UGA is reached)

Fifth step- post translational modification of polypeptide( Chemical modification, proteolytic cleavage, protein splicing)

2. Question: Draw a diagram of flow of the genetic information

Sol:-  

  

DNA TMMNUDIM Transcripticon RNA EN \ (Nucleus) Translation (y toplom m og probio