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Questions and Answers
What is ethidium bromide used for in DNA visualization?
What is ethidium bromide used for in DNA visualization?
- It allows detection of DNA fragments in gels (correct)
- It is a point mutation in the beta-globin subunit
- It intercalates between the base pairs of the double helix
- It causes normal haemoglobin to be clumped
What is the effect of sickle cell anemia on haemoglobin?
What is the effect of sickle cell anemia on haemoglobin?
- It causes haemoglobin to be produced in excess
- It causes haemoglobin to be unable to bind to oxygen
- It causes normal haemoglobin to be clumped (correct)
- It causes haemoglobin to be broken down too quickly
What is the mechanism of action of ethidium bromide in DNA visualization?
What is the mechanism of action of ethidium bromide in DNA visualization?
- It binds to the sugar-phosphate backbone of DNA
- It intercalates between the base pairs of the double helix (correct)
- It causes DNA to break apart into fragments
- It catalyzes the replication of DNA
What is the cause of sickle cell anemia?
What is the cause of sickle cell anemia?
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How is ethidium bromide detected in DNA visualization?
How is ethidium bromide detected in DNA visualization?
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