Concept explainers
(a)
Interpretation:
The time required by one DNA polymerase enzyme to replicate the genetic material in one cell is to be stated.
Concept introduction:
The biochemical process in which a DNA molecule produces two exact copies of itself is known as the process of
Answer to Problem 21.59E
The time required by one DNA polymerase enzyme to replicate the genetic material in one cell is
Explanation of Solution
It is given that the single human cell consists of
It is given that
The conversion of
Therefore, the time is
The time is calculated by the following formula.
Substitute the value of number of nucleotides in a single human cell and the activity of enzyme in equation (1).
Therefore,
The time required by one DNA polymerase enzyme to replicate the genetic material in one cell is
(b)
Interpretation:
The number of DNA polymerase molecules needed to replicate a cell’s genetic material in
Concept introduction:
The biochemical process in which a DNA molecule produces two exact copies of itself is known as the process of DNA replication. During the process of DNA replication, the enzyme DNA helicase unwinds the double helical structure of original DNA molecule.
Answer to Problem 21.59E
The number of DNA polymerase molecules needed to replicate a cell’s genetic material in
Explanation of Solution
It is given that
The time is given as
Therefore, one enzyme can add
It is given that the single human cell consists of
The number of DNA polymerase molecules needed to replicate a cell’s genetic material is calculated by the following formula.
Substitute the value of nucleotides in single cell and nucleotides added in
Therefore,
The number of DNA polymerase molecules needed to replicate a cell’s genetic material in
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Chapter 21 Solutions
Chemistry for Today: General, Organic, and Biochemistry
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