MCQ Book Questions

Q51980. Nitrosamine can deaminate

Q51981. Exposure of DNA to ultraviolet radiation can lead to the formation of

Q51982. Damage to DNA caused by ultraviolet radiation can be repaired by

Q51983. Xeroderma pigmentosum results from a defect in

Q51984. All the following statements about xeroderma pigmentosum are true except

Q51985. Substitution of an adenine base by guanine in DNA is known as

Q51986. Substitution of a thymine base by adenine in DNA is known as ((A) Transposition

Q51987. A point mutation results from

Q51988. Substitution of a base can result in a

Q51989. A silent mutation is most likely to result from

Q51990. The effect of a mis-sense mutation can be

Q51991. Amino acid sequence of the encoded protein is not changed in

Q51992. Haemoglobin S is an example of a/an

Q51993. If the codon UAC on mRNA changes into UAG as a result of a base substitution in DNA, it will result in

Q51994. Insertion of a base in a gene can cause

Q51995. A frameshift mutation changes the reading frame because the genetic code

Q51996. Suppressor mutations occur in

Q51997. Suppressor tRNAs can neutralize the effects of mutations in

Q51998. Mutations in promoter regions of genes can cause

Q51999. Mitochondrial protein synthesis is inhibited by