Concept explainers
Interpretation:
The approach to determine the processivity of deoxyribonucleic acid (DNA) polymerase enzyme should be experimentally explained.
Concept Introduction:
Deoxyribonucleic acid (DNA) polymerase is an enzyme which is mainly responsible for the formation of deoxyribonucleic acid (DNA) molecule stretch from dNTPs (deoxyribonucleotides). The enzyme is critical for
DNA processivity is defined as the degree of an average number of
Explanation of Solution
The incorporation essay is the experimental approach to determine the processivity of enzyme deoxyribonucleic acid (DNA) polymerase. Below steps are involved in the experimental approach:
- A primer, which is known as deoxyribonucleic acid (DNA) template and a mixture of labelled deoxyribonucleotides (dNTPs) are used. The DNA which is newly synthesized is labelled along with the newly incorporated deoxyribonucleotides (dNTPs) and new DNA is separated from the strand of deoxyribonucleic acid (DNA) template.
- The reaction of the enzyme deoxyribonucleic acid (DNA) polymerase is paused after a specific time and a library of single DNA strand is formed. The labelled DNA strand is separated and various number of deoxyribonucleotides (dNTPs) can be viewed through gel electrophoresis and autoradiography methods.
- The above techniques separated the deoxyribonucleic acid (DNA) based on its size. Also, the amount of deoxyribonucleic acid (DNA) synthesized can be calculated by determining the amount of labelled nucleotides incorporation into deoxyribonucleic acid (DNA) chain.
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Chapter 22 Solutions
Biochemistry: Concepts and Connections (2nd Edition)
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