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 […]
HIV (Human Immunodeficiency Virus) is a retrovirus that attacks the immune system, specifically CD4 cells (T cells), weakening the body’s ability to fight infections and diseases. If left untreated, it can progress to AIDS (Acquired Immunodeficiency Syndrome), a severe, often fatal condition. This is an MCQ on HIV Virus Structure […]
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 […]
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. […]
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 […]