Which of the following statements about polynucleotide formation is correct? As a polymer, DNA is not metastable but fully stable DNA forms through a spontaneous, single step dehydration to form the sugar-phosphat backbone Pyrophosphate hydrolysis is a key step driving nucleoside polymerization The overall equation for DNA formation is: DNAN+NTP DNAN+1+H₂O Nucleotide diphosphates are the building blocks of polynucleotides

Which of the following statements about polynucleotide formation is correct? As a polymer, DNA is not metastable but fully stable DNA forms through a spontaneous, single step dehydration to form the sugar-phosphat backbone Pyrophosphate hydrolysis is a key step driving nucleoside polymerization The overall equation for DNA formation is: DNAN+NTP DNAN+1+H₂O Nucleotide diphosphates are the building blocks of polynucleotides

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter28: Dna Metabolism: Replication, Recombination, And Repair

Section: Chapter Questions

Problem 1P: Semiconservative or Conservative DNA Replication If 15N-Iabeled E. coli DNA has a density of 1.724...

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Which of the following statements about polynucleotide formation is correct?
As a polymer, DNA is not metastable but fully stable
O DNA forms through a spontaneous, single step dehydration to form the sugar-phosphate
backbone
Pyrophosphate hydrolysis is a key step driving nucleoside polymerization
The overall equation for DNA formation is: DNAN+NTP DNAN+1+H₂O
Nucleotide diphosphates are the building blocks of polynucleotides

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Step 2
Answer is as a polymer DNA is not metastable but fully stable.
pyrophosphate hydrolysis is a key step driving nucleoside polymerization (This is the
correct answer.
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Correct answer is option 2.
Explanation
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A polynucleotide consists of alternating sugar- phosphate backbone. A sugar phosphate
backbone is formed between the sugar molecule of one nucleotide and the phosphate group
of the adjacent nucleotide during DNA replication process.

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