This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Manipulating DNA”. 1. During DNA cloning which of the following is not a crucial requirement? a) DNA inserts b) Vector c) Protein expression d) Molecular cutter 2. Transformation does not involve ____________ a) Cutting b) Recombination c) Propagation d) Expression 3. Which … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Chromatin Centromere and Telomere”. 1. Nucleosome was first described in 1974 by ___________ a) William Asbury b) Rosalind Franklin c) Roger Kornberg d) John Crick 2. The extent of chromosome coiling in non – dividing cells is _________ a) Supercoiled b) Euchromatin … Read more
This set of Molecular Biology Questions and Answers for Experienced people focuses on “DNA Topology – 3”. 1. Topoisomerases I and II differ only on the number of steps required to change the linking number. a) True b) False 2. Which special enzyme introduces negative supercoils in DNA? a) Type I topoisomerase b) Type II … Read more
This set of Molecular Biology Questions and Answers for Experienced people focuses on “DNA Topology – 2”. 1. How is the extent of supercoiling measured? a) Lk + Lk0 b) Lk0 – Lk c) Lk – Lk0 d) Lk + Lk1 2. If Lk < Lk0 then DNA is ____________ a) Relaxed b) Negatively coiled ... Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “DNA Topology – 1”. 1. The two strands of cccDNA can be easily separated without any breakage of bonds. a) True b) False 2. Passing of one strand through the other in order to get separated is known as _______ a) Twist … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Alternative Helical Structures of DNA”. 1. What is the condition required to observe B form of DNA? a) Low humidity b) High humidity c) Low temperature d) High temperature 2. What is the condition required to observe A form of DNA? a) … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Separation of DNA Fragments by Electrophoresis”. 1. Which of the following cannot be used for the separation of nucleic acids? a) SDS – PAGE b) PAGE c) Northern blotting d) PAGE 2. The polymerization of the gel used in PAGE occurs between … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Palindromes, Inverted Repeats and Stem and Loop Structures”. 1. Double-stranded structure of nucleic acid is the basic requirement for palindromic sequences. a) True b) False 2. Which of the following words represents a palindrome? a) DUCK b) MAMA c) BOOM d) MADAM … Read more
This set of Molecular Biology Multiple Choice Questions & Answers (MCQs) focuses on “Repeated Sequences are a Feature of Eukaryotic DNA”. 1. Which of the following is not a part of a gene? a) Ori b) Promoter c) Operon d) Terminator 2. What is the correct order for increasing gene density? a) Bacteria, Virus, Fruit … Read more
This set of Molecular Biology Questions and Answers focuses on “Genome Organization – 3”. 1. Which of the following facilitates nucleosome positioning? a) Nucleosome remodeling complex b) Topoisomerase II c) SMC protein d) DNA – binding protein 2. Which of the following regions promote histone – DNA association? a) A, T b) A, G c) … Read more
