nber that hexose kinase is an enzyme required for hexose metabolism, a process that takes a on sugar and breaks it down into 2 pyruvate molecules. scover that rather than being hormonally regulated (as seen above in humans), hexose kinase of an operon in prokaryotic organisms. This operon is known as the "hexose operon" and it es expression of the complete set of enzymes needed to convert a hexose sugar into 2 te molecules. e lac operon, the hexose operon is controlled by a separate regulatory protein under the control wn promoter (see the schematic of the operon below). The hexose regulatory protein is ve to fatty acyl CoA levels. When all hexose fuel sources are depleted, the bacteria switch to etabolism and fatty acyl CoA levels increase. This turns expression of the hexose operon off. +1 +1 ulatory Gene Pregulator operon Hexose Operon Genes regulator promoter operon promoter on 5 Complete the diagrams below to reflect the proteins and any relevant cofactors (e.g. - inducær/repressor molecules) that you would expect to be occupying this operon's regulatory region in the presence of low vs high fatty acyl CoA levels. exose], [fatty acyl COA] = negligible [hexose] = negligible, ↑[ fatty acyl COA] %3D
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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