The molecular basis of inheritance refers to the process by which genetic information is stored, replicated, and transmitted from one generation to the next through the structure and function of DNA and RNA molecules. This MCQ on Molecular Basis of Inheritance will help you to understand the concept clearly. Molecular […]
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MCQ on lac and trp Operon
The lac operon and trp operon are genetic regulatory systems in prokaryotes. The lac operon controls the expression of genes responsible for lactose metabolism, allowing bacteria to use lactose as a carbon source. The trp operon regulates genes involved in tryptophan synthesis, ensuring its production when tryptophan is scarce. This […]
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Regulation of Gene Expression in Eukaryotes MCQ
In eukaryotes, regulation of gene expression is a complex process that controls when and to what extent genes are transcribed and translated into proteins. This regulation involves various mechanisms, including transcription factors, chromatin remodelling, RNA processing, and post-translational modifications, ensuring precise control of cellular functions and responses to environmental cues. […]
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MCQ on Cell Cycle Checkpoints and its Significance
A cell cycle checkpoint is a regulatory control point in the cell cycle where various signalling pathways assess the fidelity of DNA replication and repair, ensuring that cell division proceeds accurately, preventing the propagation of genetic errors or damaged DNA. This article on Checkpoints of Cell Cycle MCQ will help […]
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Types of DNA Repair Mechanisms MCQ
DNA repair mechanisms in cells include base excision repair (BER), nucleotide excision repair (NER), mismatch repair (MMR), homologous recombination (HR), and non-homologous end joining (NHEJ). These pathways correct various types of DNA damage, ensuring genomic stability and preventing mutations that can lead to diseases like cancer. This article on “DNA […]
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