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Question
An organism is larger than bacteria and primarily composed of protein. It is covered with a lipid-based membrane. This organism consists genetic material as double-stranded DNA and lacks RNA.The interior of the structure have few enzymes. Identify this organism.
An organism is larger than bacteria and primarily composed of protein. It is covered with a lipid-based membrane. This organism consists genetic material as double-stranded DNA and lacks RNA.The interior of the structure have few enzymes. Identify this organism.
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Solution
The correct option is A A virus
Protozoans and alga have phospholipid bilayer, full enzymatic machinery and RNA as a carrier of genetic information from DNA to proteins. Bacteria have peptidoglycan cell wall and RNA as a carrier of genetic information or as genetic material as well as whole enzymatic machinery. Prions are the proteinaceous infectious particles that consist of only protein particles, but no genetic material, capable of causing neurodegenerative diseases. The virus is an acellular organism and obligate parasite having lipid membrane and protein coat. They have only a few enzymes and use those of host cell to replicate DNA. Thus, the correct answer is option A.
Protozoans and alga have phospholipid bilayer, full enzymatic machinery and RNA as a carrier of genetic information from DNA to proteins. Bacteria have peptidoglycan cell wall and RNA as a carrier of genetic information or as genetic material as well as whole enzymatic machinery. Prions are the proteinaceous infectious particles that consist of only protein particles, but no genetic material, capable of causing neurodegenerative diseases. The virus is an acellular organism and obligate parasite having lipid membrane and protein coat. They have only a few enzymes and use those of host cell to replicate DNA. Thus, the correct answer is option A.
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