plasmid

What: " A plasmid is like a concealed weapon for a bacterial cell. Yeah, bacteria tote their genome in one big rounded sequence but they also hold smaller wheels that code for information they might need later on down the road."

Writer: Richard Suyes

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Date: May 13 2013 5:46 PM

What: "Viruses like bacteria contain DNA (and sometimes RNA instead) in a protective shell. Another microbe called a Plasmid is like a virus without a protective cell."

Writer: Dr. Ashok Malhotra

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Date: May 13 2013 5:51 PM

What: "Say that it's a current trend to have a charm bracelet, and a new charm has just become popular. The plasmid is like the charm-bracelet, and the new charm is symbolic of the gene of interest. Once people start wearing the new charm, more and more people join in on the trend. Therefore the new charm (gene) will be multiplied."

Writer: Not Stated

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Where:

Date: May 13 2013 5:39 PM

What: "All the plasmids in a cell are bunched up, and like chromosomes this cluster duplicates during S phase. The clusters then appear to sidle up to a chromosome and go their separate ways as the sister chromatids part and the cell divides. In this way, the plasmid is "like a micro-chromosome or even a chromosome appendage,"

Writer: Makkuni Jayaram

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Date: May 13 2013 5:42 PM

What: "They have most of their genes on a chromosome that is passed just to the descendents of each bacterium. But some genes are on a tiny loop of DNA called a plasmid that can leave one bacterium and enter another. If a chromosome is like a hard drive of genetic information, a plasmid is like a flash drive-tiny and portable."

Writer: Albert Fuchs

LCC: QR

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Date: May 13 2013 5:44 PM