Question
5BU is an example of ___________.
Deaminating agents
Alkylating agents.
Base analogs.
Hydroxylating agents.
Deaminating agents
Alkylating agents.
Base analogs.
Hydroxylating agents.
Hint:
5BU has structure similar to thymine.
The correct answer is: Base analogs.
¶- 5BromoUracil is a base analog
¶- It comprises of a uracil base which is a bromine derivative
¶- It has structure same as that of thymine
¶- 5BU is capable of replacing thymine in DNA causing mutation
¶- The comparative structure of 5BU, thymine and uracil can be found in
¶
- Base analogues have structure similar to the common purine and pyrimidine bases
Related Questions to study
Which of the following is a physical mutagen?
- Mutations caused due to ionizing radiations are harmful
- Point mutation is the most common type due to ionizing radiations
Which of the following is a physical mutagen?
- Mutations caused due to ionizing radiations are harmful
- Point mutation is the most common type due to ionizing radiations
Which of the following is INCORRECT about intercalating agents?
Which of the following is INCORRECT about intercalating agents?
_______ are also known as jumping genes.
_______ are also known as jumping genes.
Which of the following are not ionizing radiations?
Which of the following are not ionizing radiations?
Mutagens can be___________.
Mutagens can be___________.
Biological mutagens include:
Biological mutagens include:
Intercalating agents cause which type of mutations in the DNA.
Intercalating agents cause which type of mutations in the DNA.
In the following compound which, is one of the intercalating agents?
In the following compound which, is one of the intercalating agents?
Which chemical mutagens add an OH-group to DNA base pairs?
Which chemical mutagens add an OH-group to DNA base pairs?
Which base is obtained due to the deamination of adenine?
- The reaction is mediated by deaminases
- Adenine is a purine which is a two ringed structure
Which base is obtained due to the deamination of adenine?
- The reaction is mediated by deaminases
- Adenine is a purine which is a two ringed structure
Congenital malformations are caused by which of the following mutagens?
Congenital malformations are caused by which of the following mutagens?
Damages and errors in the DNA can cause___________
- Mutation can be beneficial or harmful depending upon the impact it has produced on the organism
Damages and errors in the DNA can cause___________
- Mutation can be beneficial or harmful depending upon the impact it has produced on the organism
5-bromouracil is the analog of which base?
- Base analogues are naturally occurring molecules having similar structure to common bases
- 5BromoUracil and 2AminoPurine are common base analogues
5-bromouracil is the analog of which base?
- Base analogues are naturally occurring molecules having similar structure to common bases
- 5BromoUracil and 2AminoPurine are common base analogues
Nitrous acid is a __________ agent.
Nitrous acid also converts adenine to hypoxanthine and guanine to xanthine
Nitrous acid is a __________ agent.
Nitrous acid also converts adenine to hypoxanthine and guanine to xanthine
DNA is sensitive to temperatures above _______.
- PCR was discovered by Kary Mullis
- Various forms of PCR are available which are all based on the basic three steps
- Besides replication, PCR can also be used in diagnosis, modification of genetic material, paternity testing and many more
DNA is sensitive to temperatures above _______.
- PCR was discovered by Kary Mullis
- Various forms of PCR are available which are all based on the basic three steps
- Besides replication, PCR can also be used in diagnosis, modification of genetic material, paternity testing and many more
