This set of Molecular Biology Questions and Answers focuses on “Methylation of Eukaryotic DNA Controls Gene Expression – 2”. 1. The CpG islands generally consist of how many GC bases? a) 100 b) Less than 100 c) More than 1000 d) 1000 2. In humans CpG islands are generally located in the ____________ a) Operator … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Methylation of Eukaryotic DNA Controls Gene Expression – 1”. 1. Methylation at which of the following bases is possible within the following oligonucleotides? a) GAATTC b) GCGC c) AGGTTC d) AAGCTT 2. Which is known to be methylated in eukaryotic cells? a) … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “RNAs in Gene Regulation”. 1. siRNA are produced by __________ a) Transcription b) DNA damage c) RNA damage d) Enzymatic action 2. Which of the following is not the handiwork of siRNA? a) Translational inhibition b) mRNA destruction c) Base dimerization d) … Read more
This set of Molecular Biology Problems focuses on “Transcriptional Regulation in Eukaryotes is More Complex than in Prokaryotes – 2”. 1. Which of the following is not a target site for repressor molecules? a) Activators b) Mediators c) Co-repressors d) Promoter sites 2. Which of the following about the enhancers is false? a) They function … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Transcriptional Regulation in Eukaryotes is More Complex than in Prokaryotes – 1”. 1. Enhancers that can function over very long distances known as ________________ a) Cis-acting enhancers b) Trans-acting enhancers c) Transvection d) Allosteric enhancers 2. Enhancers were first identified in __________ … Read more
This set of Advanced Molecular Biology Questions and Answers focuses on “Activators and Repressors Participate in Positive and Negative Regulation”. 1. The functional unit in which genes are arranged consecutively is known as ___________ a) Induction system b) An end product repression system c) A consecutive enzyme system d) Operon 2. The investigation of the … Read more
This set of Tough Molecular Biology Questions and Answers focuses on “Regulation at the Level of Transcription Involves Several Steps”. 1. In case of transcription which is the rate limiting step? a) Binding of RNA polymerase b) Unwinding of DNA duplex c) Promoter escape d) Formation of the open complex 2. The site where repressor … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Gene Regulation Ensures a Physiological Response”. 1. Regulation of enzyme activity is accomplished in ___________ steps. a) 1 b) 2 c) 3 d) 4 2. Binding of small molecules to enzymes leads to feedback inhibition. a) True b) False 3. The regulatory … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Degradation of Proteins”. 1. How many types of protein degradation pathways are seen in a eukaryotic cell? a) 1 b) 2 c) 3 d) 4 2. Ubiquitin degradation mechanism recognizes ____________ a) Cytosolic protein b) Nuclear protein c) Structural protein d) Both … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Post-Translational Modifications of Proteins”. 1. Which of the following is not a type of post translational modification? a) Proteolysis b) Protein folding c) Glycosylation d) Lipid addition 2. Proteolytic modifications of the polypeptide are an important process in the mechanism for protein … Read more
