MCQ IN MEDICINE

MEDICINE MCQ

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacteria exchange genetic information during
A
asexual reproduction
B
binary fission
C
conjugation
D
photosynthesis
Explanation: 

Detailed explanation-1: -In conjugation, the donor bacterium transfers DNA to the recipient by mating. Recombination is the rearrangement of donor and recipient genomes to form new, hybrid genomes. Transposons are mobile DNA segments that move from place to place within or between genomes.

Detailed explanation-2: -Bacterial conjugation, also referred to as bacterial sex, is a major horizontal gene transfer mechanism through which DNA is transferred from a donor to a recipient bacterium by direct contact.

Detailed explanation-3: -Conjugation is a gene transfer process in which a recipient bacterium receives DNA from a donor bacterium by cell-to-cell contact through conjugative pili. Conjugation is mediated by certain plasmids or transposons.

Detailed explanation-4: -Conjugation is a process by which one bacterium transfers genetic material to another bacterium through direct contact. During conjugation, one of the bacterial cells serves as the donor of the genetic material, and the other serves as the recipient.

Detailed explanation-5: -Conjugation is the transfer of DNA by direct cell-to-cell contact that is mediated by plasmids (nonchromosomal DNA molecules). Conjugative plasmids encode an extremely efficient mechanism that mediates their own transfer from a donor cell to a recipient cell.

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