AP BIOLOGY

THE MOLECULAR BASIS OF INHERITANCE

THE GENETICS OF VIRUSES AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Bacteria reproduce asexually by
A
spores
B
conjugation
C
fixation
D
binary fission
Explanation: 

Detailed explanation-1: -Binary Fission – It is a common and simple method of asexual reproduction in bacteria. In this process of asexual reproduction, the parent cell divides into two, leading to two equal-sized daughter cells. Under favourable conditions, bacteria multiply rapidly and may double in 10-15 minutes.

Detailed explanation-2: -Binary fission is a type of asexual reproduction typically observed in prokaryotes and a few single-celled eukaryotes. In this method of asexual reproduction, there is a separation of the parent cell into two new daughter cells.

Detailed explanation-3: -Most bacteria, including Salmonella and E. coli, reproduce by binary fission. During this type of asexual reproduction, the single DNA molecule replicates and both copies attach, at different points, to the cell membrane. As the cell begins to grow and elongate, the distance between the two DNA molecules increases.

Detailed explanation-4: -The organisms that reproduce asexually through binary fission are the prokaryotes (bacteria and archaea) and certain protozoans.

Detailed explanation-5: -A large percentage of microorganisms, the prokaryotes (those without a nucleus) reproduce asexually. Bacteria and archaea primarily reproduce using binary fission. One cell simply splits into two identical cells.

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