What are the two major enzymatic properties of E. Coli RecA protein? -This T4 head gets a tail and becomes a viral particle and is capable of infecting another bacterial cell. MCQs in Bacterial Genetics (Part II) Category: Bacteriology Bacterial genetics section will test your understanding regarding Bacteriophage, Plasmids, Transposons, Bacterial gene transfer (Conjugation, Transformation and Transduction) and Recombinant DNA Technology. What is homologous recombination? Specialized Transduction. Explain. The virus enters the bacteria and integrates its genome within the host cell DNA. B. Generalized transduction. Question: Question (1 Point) Which Is The Right Statement On A Transduction Signal? Generalized transduction is the process by which any bacterial gene may be transferred to another bacterium via a bacteriophage, and typically carries only bacterial DNA and no viral DNA. What are the key steps in the replication cycle (lytic infection) of… The effects of mutations. In this, only a few restricted bacteria are transferred from donor to recipient bacteria. Beatle and Tatum Watson and Crick Griffith Bacterial Transduction: Definition, Process & Advantages 7:53 Regulation of Gene Expression: Transcriptional Repression and Induction 8:17 An introduction to genetic mutations. Mutagens and carcinogens. 1. A. Specialised Transduction: In this process, the bacteriophage gets attached to a bacterial cell wall at the receptor site and the nucleic acid of bacteriophage is transferred into the cyto­plasm of … a) 24 hours b) 60 mins c) 2 mins d) 10-20 mins View Answer Email. Transduction, transformation, conjugation, transposable elements. Impact of mutations on translation into amino acids. - New host cells infected by these viral particles received bacterial DNA instead of viral DNA. Questions Name the three types of bacterial exchange of DNA The donor bacterial cell in transfomation is probaly dead. Here only the bacterial genes that are close to the site of prophage are transferred. instead of T4 genome, a piece of host cell's bacterial DNA is packaged in the phage head. The most striking feature is the transfer of genetic material from cell to cell by viruses. It was first discovered by Joshua Lederberg in 1952. How much time is taken by the new DNA to make whole phage particles? Transduction are of two types: A. Specialised transduction, and . At times, a portion of the bacterial DNA remains attached to the detached phage DNA. Mutations. Practice Questions Microbial Genetics ... _____ always results in the same few genes being transferred between bacteria. generalized transduction specialized transduction transformation conjugatioin Who first observed conjugation? In essence, this is the packaging of bacterial DNA into a viral envelope. It remains dormant and passes on from generation to generation. This may occur in two main ways, recombination and headful packaging. 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