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.
Choose the one answer that fits best. Which of the following statements regarding bacteria is NOT correct?
| a. |
During conjugation, two bacteria exchange genetic information directly via pili |
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| b. |
Bacterial populations have a higher mutation rate because their DNA Polymerases do not have proofreading capability |
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| c. |
Bacterial growth by binary fission is exponential and each division usually takes only a couple of hour or less |
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| d. |
Plasmids carry just a few genes and are replicated independently from the bacterial chromosome |
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| e. |
Cocci that are arranged in clusters/bunches are called staphylococci |
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