Pieces of DNA resulting when bacteria exchange small pieces of circular DNA during asexual reproduction or binary fission are called
Plasmids are the pieces of DNA resulting when bacteria exchange small pieces of circular DNA during asexual reproduction or binary fission.
Plasmids are small, circular, double-stranded DNA molecules that are distinct from a cell's chromosomal DNA. They can replicate independently and are often transferred between bacteria during the process of conjugation, which is a form of DNA exchange and reproduction in bacteria.
Ribosomes are not pieces of DNA, but rather cell components that synthesize proteins. They are made up of RNA and proteins and have no direct role in DNA exchange or replication during bacterial reproduction.
Plasmids are indeed the small, circular DNA molecules that bacteria exchange during binary fission or asexual reproduction. They replicate independently of chromosomal DNA and can carry genes that provide the bacteria with advantageous traits, such as antibiotic resistance. This feature makes them important tools in genetic engineering.
A pilus (plural: pili) is a hair-like appendage found on the surface of many bacteria. While pili are involved in the process of DNA exchange by providing a physical bridge between two bacterial cells during conjugation, they themselves are not the pieces of DNA that are exchanged.
Prokaryotes are a type of organism, which includes bacteria and archaea. They are not pieces of DNA, but rather the organisms in which the process of DNA exchange during asexual reproduction or binary fission occurs.
In the context of bacterial asexual reproduction or binary fission, the small pieces of circular DNA that are exchanged are called plasmids. They are distinct from a cell's chromosomal DNA and can replicate independently. The other choices—ribosomes, pilus, and prokaryotes—are not pieces of DNA and do not correctly answer the question. Ribosomes are involved in protein synthesis, a pilus plays a role in the physical process of DNA exchange, and prokaryotes are the organisms within which this process takes place.
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