A missense mutation in one of the enzymes encoded by the trp operon prevents a bacterial cell from producing tryptophan. What is the effect (if any) of this mutation on transcription of the trp operon? The trp operon will be transcribed whether or not tryptophan is supplied in the medium. The trp operon will not be transcribed under any conditions. The trp operon will be transcribed only if tryptophan is supplied in the medium. O The mutation will have no effect on transcription of the trp operon. The trp operon will be transcribed, unless tryptophan is supplied in the medium.
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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