Molecular Basis of Inheritance
- Infectious proteins are present in:
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Infections proteins are rich in prions. Prions are made of proteins without nucleic acid. It is the causal agent of scrapie disease of sheep.
Correct Option: B
Infections proteins are rich in prions. Prions are made of proteins without nucleic acid. It is the causal agent of scrapie disease of sheep.
- Which one of the following does not follow the central dogma of molecular biology?
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HIV viruses does not follow central dogma. Central dogma is a one way flow of information from DNA to mRNA and then to protein.
Correct Option: D
HIV viruses does not follow central dogma. Central dogma is a one way flow of information from DNA to mRNA and then to protein.
- The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
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The nucleosome model explains the packaging of histone proteins and DNA in the chromatin material which forms the chromosome.
Correct Option: A
The nucleosome model explains the packaging of histone proteins and DNA in the chromatin material which forms the chromosome.
- A sequential expression of a set of human genes
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A sequential expression of a set of human genes is the DNA sequence. Because gene is the functional part of DNA sequence.
Correct Option: B
A sequential expression of a set of human genes is the DNA sequence. Because gene is the functional part of DNA sequence.
- Uridine, present only in RNA is a
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The combination of pentose sugar with nitrogenous bases (purines or pyrimidines) is called nucleoside. Examples are adenosine, guanosine, cytidine, thymidine and uridine.
Correct Option: B
The combination of pentose sugar with nitrogenous bases (purines or pyrimidines) is called nucleoside. Examples are adenosine, guanosine, cytidine, thymidine and uridine.
