Virulent S. Pneumoniae:
Correct answer: C. S form
- A. Meselson and Stahl
- B. DNA polymerases
- C. S form
- D. Locus
Explanation
The "S" form of Streptococcus pneumoniae refers to the smooth, encapsulated form of the bacterium. This encapsulation helps protect the bacteria from the host immune system, making it more virulent and capable of causing severe infections such as pneumonia, meningitis, and septicemia.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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