A nucleosome is the basic unit of DNA packaging in eukaryotes. It consists of a segment of DNA wrapped around a core of histone proteins. Nucleosomes help condense and organize DNA, regulating access for processes like transcription and DNA replication. This is an MCQ on Nucleosome Model and Organization of […]
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MCQ on Retrovirus: Structure, Significance and Examples
Retroviruses are a type of RNA virus that can reverse transcribe their RNA genome into DNA using the enzyme reverse transcriptase. This DNA is integrated into the host cell’s genome, potentially causing long-lasting infections. HIV is a well-known example of a retrovirus. This is an MCQ on Retrovirus – Example […]
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MCQ on Corona Virus: Structure and Replication
COVID-19 is an infectious disease caused by the novel coronavirus SARS-CoV-2. It primarily spreads through respiratory droplets, leading to symptoms ranging from mild respiratory issues to severe pneumoniThe pandemic, first identified in late 2019, has had a global impact on public health and daily life. This is an MCQ on […]
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MCQ on Pyrimidine: Structure, Biosynthesis and Functions
Pyrimidines are nitrogenous organic compounds with a single-ring structure. They are fundamental building blocks in DNA and RNA, with cytosine, thymine (found in DNA), and uracil (found in RNA) as common examples. Pyrimidines participate in genetic coding and other cellular processes. This is an MCQ on Pyrimidine Structure and Functions. […]
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MCQ on Purines: Structure, Biosynthesis and Functions
Purines are nitrogenous organic compounds that consist of a double-ring structure. They are essential components of DNA and RNA and play crucial roles in cellular processes. Common purines include adenine and guanine, which are involved in genetic information storage and various metabolic functions. This is an MCQ on Purines: Structure […]
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