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DNA Questions and Answers (Q&A)

What is the difference between Purines And Pyrimidines?
Larry Thornton, Student
Answered: Jun 13, 2019
Purines and Pyrimidines have both similarities and differences. They share some similarities on the ground that they are both heterocyclic organic compounds. Also, they both serve the same...Read More

3 Answers

1396 views
Why are hydrogen bonds holding DNA bases together instead of covalent bonds?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
A hydrogen bond is formed by intermolecular forces between hydrogen atoms and other atoms such as oxygen and carbon. A hydrogen bond is not as strong as covalent or ionic bond. It plays a great...Read More

3 Answers

902 views
What is the difference between Deoxyribonucleotide and Ribonucleotide?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
Deoxyribonucleotide and ribonucleotide are different forms of nucleotides found in either DNA or RNA. Deoxyribonucleotide is the monomer in DNA. Deoxyribonucleotide has three components which...Read More

2 Answers

728 views
What is the role of DNA polymerase?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
It can ACT as an exonuclease to cut single-stranded DNA Taq DNA polymerase also as Taq pol is a DNA polymerase commonly used in PCR to amplify segments of DNA. The optimal level of activity of...Read More

2 Answers

725 views
What do you understand by the term mutation?
A. Lucius, Senior Content writer
Answered: Nov 01, 2019
The correct answer is Permanent, heritable alterations in the base sequence of the DNA. A mutation refers to changes or alterations of the base-pair sequence in genetic material. These...Read More

2 Answers

677 views
What is the another name for protein?
A. Lucius, Senior Content writer
Answered: Nov 01, 2019
Polypeptide. Another name for protein is a polypeptide. Polypeptides are chains of amino acids that are held together by amine bonds. Proteins are made up of many polypeptides. Proteins perform...Read More

2 Answers

616 views
What is the function of DNA?
A. Lucius, Senior Content writer
Answered: Nov 01, 2019
The correct answer to the question is option D – UGG. The stop codon is nucleotide triplets that are found in mRNA. Stop codon serve as signals for the termination of translation. These...Read More

2 Answers

600 views
What are the three steps of PCR (in sequential order)?
A. Lucius, Senior Content writer
Answered: Nov 01, 2019
The correct answer is Denature DNA, Anneal Primers and Extend DNA. Polymerase Chain Reaction (PCR) is a lab technique that occurs in 3 steps. It is used in generating thousands to million copies...Read More

2 Answers

590 views
Which phase the nucleotide triphosphates (dNTPs) are added to the growing DNA strand?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
The correct answer to this question is Extension or elongation The extension/elongation phase is where nucleotide triphosphates 9dNTPs) are added to the growing DNA strand. This is the final...Read More

2 Answers

587 views
What is the difference between Enhancer and Promoter?
Chris Evins, College Student
Answered: Nov 01, 2019
Enhancers and promoters are different, but both play vital roles in DNA transcription. An enhancer is a special sequence of DNA that helps to increase the rate of initiation of DNA transcription...Read More

3 Answers

526 views
Which line represents the bag with the lowest initial concentration of sucrose? Five dialysis bags, constructed from a semi-permeable membrane that is impermeable to sucrose, were filled with...
L. Cooper, Data Analyst
Answered: Nov 01, 2019
The correct answer is option E Option E represents the bag with the lowest initial concentration of sucrose. If the five bags were constructed from a semi permeable membrane is IMPERMABLE to...Read More

3 Answers

479 views
What is the difference between Okazaki Fragments and Lagging Strand?
H. Jones, Web Content Writer
Answered: Sep 11, 2019
Okazaki fragments and lagging strands are terms in DNA replication. These two terms are not in any way the same, but they are related. Lagging strands refers to the DNA strands that grow or...Read More

4 Answers

455 views
What is DNA fingerprinting and why is it important?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
DNA fingerprinting is a test that is done to determine the genetic makeup of a person. It is also known as DNA profiling or genetic fingerprinting. Everyone has a unique sequence of DNA. The most...Read More

2 Answers

379 views
What is the full form of DNA?
Anika Nicole, Wordsmith
Answered: Jul 05, 2019
DNA is the abbreviation for DeoxyriboNucleic acids. DNA usually takes active roles during human formation because it contains genetic information that can be passed from one generation to...Read More

5 Answers

351 views
What type of PCR quantifies the rate at which new DNA is synthesized?
L. Cooper, Data Analyst
Answered: Nov 01, 2019
It's Real time. Just as the name implies, real-time PCR is the type of PCR that quantifies the rate at which new DNA is synthesized. Real-time PCR monitors the progress by using a florescent dyes...Read More

2 Answers

329 views

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