A scientist used a transgenic strain of C. elegans into which a gene (gfp) for a green fluorescent protein had been introduced. He injected some worms with double-stranded RNA complementary to coding sequence of the gfp gene. The figure below shows the worms without (a; left) and with (b; right) ds gfp RNA. (-) ds gfp RNA (+) ds gfp RNA a) Explain these results . b) The scientist conducted another experiment in which he injected double-stranded RNA complementary to the introns and promoter sequences of the gfp gene. What results would you expect with this experiment? Explain your answer .
Bacterial Genomics
The study of the morphological, physiological, and evolutionary aspects of the bacterial genome is referred to as bacterial genomics. This subdisciplinary field aids in understanding how genes are assembled into genomes. Further, bacterial or microbial genomics has helped researchers in understanding the pathogenicity of bacteria and other microbes.
Transformation Experiment in Bacteria
In the discovery of genetic material, the experiment conducted by Frederick Griffith on Streptococcus pneumonia proved to be a stepping stone.
Plasmids and Vectors
The DNA molecule that exists in a circular shape and is smaller in size which is capable of its replication is called Plasmids. In other words, it is called extra-chromosomal plasmid DNA. Vectors are the molecule which is capable of carrying genetic material which can be transferred into another cell and further carry out replication and expression. Plasmids can act as vectors.
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