For the wildtype E. coli two sugars influence the level of transcription of the lactose operon. Fill in the table with the choices (shown in parenthesis) in each column to show how these two sugars influence gene regulation. negative regulation Sugars in the growth media: CAMP levels positive regulation Relative level of Lac (high or low) operon transcription (highest, inbetween, lowest) оссurs оссurs (ves or no) | (yes or no) glucose present; lactose absent glucose present; lactose present glucose absent; lactose present
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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