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Question
Which of the following is an infectious agent that causes the mad cow disease?
Which of the following is an infectious agent that causes the mad cow disease?
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Solution
The correct option is D Prions
Microbes are very small organisms which can only be seen under a magnifying instrument known as the microscope. Bacteria, fungi, protozoa, viruses, viroids, prions, are examples of the microbes.
Prions are misfolded proteins that can trigger normal healthy proteins to misfold, thus disrupting their structure and functionality. These are responsible for the occurrence of mad cow disease in cattle. In this fatal disease, the prions slowly destroy the brain and spinal cord of the infected cow.
Viroids are infectious RNA molecules that are responsible for causing various plant diseases.
Viruses are particles composed of nucleic acids wrapped within a protein coat. Viruses are host-specific and can multiply only within a host.
Bacteriophages are viruses that specifically infect the bacterial cells.
Microbes are very small organisms which can only be seen under a magnifying instrument known as the microscope. Bacteria, fungi, protozoa, viruses, viroids, prions, are examples of the microbes.
Prions are misfolded proteins that can trigger normal healthy proteins to misfold, thus disrupting their structure and functionality. These are responsible for the occurrence of mad cow disease in cattle. In this fatal disease, the prions slowly destroy the brain and spinal cord of the infected cow.
Viroids are infectious RNA molecules that are responsible for causing various plant diseases.
Viruses are particles composed of nucleic acids wrapped within a protein coat. Viruses are host-specific and can multiply only within a host.
Bacteriophages are viruses that specifically infect the bacterial cells.
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