What is the role of DNA polymerase in DNA replication? -Biology

What is the role of DNA polymerase in DNA replication? -Biology
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Function of DNA polymerase during DNA replication. -Biology

Description : Function of DNA polymerase during DNA replication. -Biology

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Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oncogenes

Last Answer : Answer : C

Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes

Description : Template-directed DNA synthesis occurs in all the following except (A) The replication fork (B) Polymerase chain reaction (C) Growth of RNA tumor viruses (D) Expression of oneogenes

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DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Description : DNA contains some palindromic sequences which (A) Mark the site for the formation of replication forks (B) Direct DNA polymerase to turn back to replicate the other strand (C) Are recognized by restriction enzymes (D) Are found only in bacterial DNA

Last Answer : Answer : C

Replication of nuclear DNA in mammals is catalysed by (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase III

Description : Replication of nuclear DNA in mammals is catalysed by (A) DNA polymerase α (B) DNA polymerase β (C) DNA polymerase γ (D) DNA polymerase III

Last Answer : Answer : A

3’→5’ Exonuclease activity of DNA polymerase I (A) Removes ribonucleotides (B) Adds deoxyribonucleotides (C) Corrects errors in replication (D) Hydrolyses DNA into mononucleotides

Description : 3’→5’ Exonuclease activity of DNA polymerase I (A) Removes ribonucleotides (B) Adds deoxyribonucleotides (C) Corrects errors in replication (D) Hydrolyses DNA into mononucleotides

Last Answer : Answer : C

In DNA replication the enzyme required in the first step is (A) DNA directed polymerase (B) Unwinding proteins (C) DNA polymerase (D) DNA ligase

Description : In DNA replication the enzyme required in the first step is (A) DNA directed polymerase (B) Unwinding proteins (C) DNA polymerase (D) DNA ligase

Last Answer : Answer : B

The enzyme which catalyzes the unwinding of DNA helix during replication is: (1) Primase (2) Topoisomerase (3) Helicase (4) DNA polymerase

Description : The enzyme which catalyzes the unwinding of DNA helix during replication is: (1) Primase (2) Topoisomerase (3) Helicase (4) DNA polymerase

Last Answer : (3) Helicase Explanation: A type of helicase enzyme called DNA helicase catalyzes the unwinding of the DNA helix at the time of replication. It uses the energy released through hydrolysis of ATP ( ... The enzyme is needed to separate the two strands of DNA also during transcription and DNA repair.

During DNA replication, the strands separate by (a) DNA polymerase (b) topoisomerase (c) unwindase/helicase (d) gyrase.

Description : During DNA replication, the strands separate by (a) DNA polymerase (b) topoisomerase (c) unwindase/helicase (d) gyrase.

Last Answer : b) topoisomerase

There are special proteins that help to open up DNA double helix in front of the replication fork. These proteins are (a) DNA ligase (b) DNA topoisomerase I (c) DNA gyrase (d) DNA polymerase I.

Description : There are special proteins that help to open up DNA double helix in front of the replication fork. These proteins are (a) DNA ligase (b) DNA topoisomerase I (c) DNA gyrase (d) DNA polymerase I.

Last Answer : (c) DNA gyrase

At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Description : At a chromosome replication fork, the lagging strand consists of__ That is joined by___. a. RNA sequences; DNA ligase b. Okazaki Fragments; RNA Polymerase c. RNA sequences; ribosomes d. Okazaki fragments; DNA ligase

Last Answer : d. Okazaki fragments; DNA ligase

The enzyme adds complementary bases to the DNA template strand during replication. a. Ligase b. Helicase c. DNA polymerase III d. RNA polymerase

Description : The enzyme adds complementary bases to the DNA template strand during replication. a. Ligase b. Helicase c. DNA polymerase III d. RNA polymerase

Last Answer : d. RNA polymerase

The role of molecular chaperones is to A-facilitate binding of ribosomes to mRNA B-degrade newly synthesized polypeptides that contain inaccurate sequences C-.facilitate binding of RNA polymerase to DNA D-aid a newly synthesized polypeptide in folding to its proper shape

Description : The role of molecular chaperones is to A-facilitate binding of ribosomes to mRNA B-degrade newly synthesized polypeptides that contain inaccurate sequences C-.facilitate binding of RNA polymerase to DNA D-aid a newly synthesized polypeptide in folding to its proper shape

Last Answer : -aid a newly synthesized polypeptide in folding to its proper shape

The role of molecular chaperones is to A-facilitate binding of ribosomes to mRNA B-degrade newly synthesized polypeptides that contain inaccurate sequences C-.facilitate binding of RNA polymerase to DNA D-aid a newly synthesized polypeptide in folding to its proper shape

Description : The role of molecular chaperones is to A-facilitate binding of ribosomes to mRNA B-degrade newly synthesized polypeptides that contain inaccurate sequences C-.facilitate binding of RNA polymerase to DNA D-aid a newly synthesized polypeptide in folding to its proper shape

Last Answer : aid a newly synthesized polypeptide in folding to its proper shape

What is the role of the DNA ligase in DNA replication?

Description : What is the role of the DNA ligase in DNA replication?

Last Answer : It joins Okazaki fragments

What is the role of the DNA ligase in DNA replication apex?

Description : What is the role of the DNA ligase in DNA replication apex?

Last Answer : It ties the chunks of DNA together.

What is exonuclease activity of DNA polymerase? -Biology

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What is the function of DNA polymerase? -Biology

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Description : What is the function of DNA polymerase III? -Biology

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When is DNA polymerase used? -Biology

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When is DNA polymerase used? -Biology

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What is DNA replication fork? -Biology

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Can there be DNA replication without cell division? -Biology

Description : Can there be DNA replication without cell division? -Biology

Last Answer : Yes, there can be DNA replication without involvement of cell division in a cell and one such condition existential is called as 'Polyteny'. Polyteny basically occurs because of failure of ... observed in Order Diptera of Class Insecta of Phylum Arthropoda (eg- Drosophila Salivary glands).

What are the three types of DNA replication? -Biology

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What is the origin of replication in DNA? -Biology

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When does replication of chromosomal DNA occur? -Biology

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Why is DNA replication called semiconservative? -Biology

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Why is DNA replication called semiconservative? -Biology

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F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

Description : F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

Last Answer : A.conjugation

F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

Description : F factor plasmids play a major role in A.conjugation B.replication C.transduction D.trasnscription

Last Answer : conjugation

What is the difference between DNA and RNA polymerase?

Description : What is the difference between DNA and RNA polymerase?

Last Answer : DNA polymerase is responsible for synthesizing new strands of DNA during DNA replication, while RNA polymerase is responsible for synthesizing mRNA during transcription.

How does DNA polymerase prevent mutation?

Description : How does DNA polymerase prevent mutation?

Last Answer : It checks DNA for errors during replication.

DNA-dependent RNA polymerase catalyzes transcription on one strand of the DNA which is called the

Description : DNA-dependent RNA polymerase catalyzes transcription on one strand of the DNA which is called the

Last Answer : DNA-dependent RNA polymerase catalyzes transcription on one strand of the DNA which is called the ... Antistrand C. Template strand D. Coding strand

When does. DNA polymerase check for mutations?

Description : When does. DNA polymerase check for mutations?

Last Answer : During DNA replication

In addition to DNA polymerase and primers what else does a polymerase chain require?

Description : In addition to DNA polymerase and primers what else does a polymerase chain require?

Last Answer : Need answer

A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Description : A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Last Answer : use restriction enzymes is the right answer for apex :)

A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Description : A scientist wants to make a dna fingerprint and she used polymerase chain reaction and restriction enzymes what should her next step be?

Last Answer : use restriction enzymes is the right answer for apex :)

The binding of prokaryotic DNA dependent RNA polymerase to promoter sits of genes is inhibited by the antibiotic: (A) Streptomycin (B) Rifamcin (C) Aueromycin (D) Puromycin

Description : The binding of prokaryotic DNA dependent RNA polymerase to promoter sits of genes is inhibited by the antibiotic: (A) Streptomycin (B) Rifamcin (C) Aueromycin (D) Puromycin

Last Answer : Answer : B

Another name for reverse transcriptase is (A) DNA dependent DNA polymerase (B) DNA dependent RNA polymerase (C) RNA dependent DNA polymerase (D) RNA dependent RNA polymerase

Description : Another name for reverse transcriptase is (A) DNA dependent DNA polymerase (B) DNA dependent RNA polymerase (C) RNA dependent DNA polymerase (D) RNA dependent RNA polymerase

Last Answer : Answer : C

RNA directed DNA polymerase is (A) Replicase (B) Transcriptase (C) Reversetranscriptase (D) Polymerase–III

Description : RNA directed DNA polymerase is (A) Replicase (B) Transcriptase (C) Reversetranscriptase (D) Polymerase–III

Last Answer : Answer : C

DNA directed RNA polymerase is (A) Replicase (B) Transcriptase (C) Reverse transcriptase (D) Polymerase III

Description : DNA directed RNA polymerase is (A) Replicase (B) Transcriptase (C) Reverse transcriptase (D) Polymerase III

Last Answer : Answer : B

The antibiotic which inhibits DNA dependent RNA polymerase is (A) Mitomycin C (B) Actinomycin d (C) Streptomycin (D) Puromycin

Description : The antibiotic which inhibits DNA dependent RNA polymerase is (A) Mitomycin C (B) Actinomycin d (C) Streptomycin (D) Puromycin

Last Answer : Answer : B

In addition to Taq polymerase, polymerase chain reaction requires all of the following except (A) A template DNA (B) Deoxyribonucleoside triphosphates (C) Primers (D) Primase

Description : In addition to Taq polymerase, polymerase chain reaction requires all of the following except (A) A template DNA (B) Deoxyribonucleoside triphosphates (C) Primers (D) Primase

Last Answer : Answer : D

Optimum temperature of DNA polymerase of T. aquaticus is (A) 30°C (B) 37°C (C) 54°C (D) 72°C

Description : Optimum temperature of DNA polymerase of T. aquaticus is (A) 30°C (B) 37°C (C) 54°C (D) 72°C

Last Answer : Answer : D

The DNA polymerase commonly used in polymerase chain reaction is obtained from (A) E. coli (B) Yeast (C) T.aquaticus (D) Eukaryotes

Description : The DNA polymerase commonly used in polymerase chain reaction is obtained from (A) E. coli (B) Yeast (C) T.aquaticus (D) Eukaryotes

Last Answer : Answer : C

Polymerase chain reaction can rapidly amplify DNA sequences of the size (A) Upto 10 kilobases (B) Upto 45 kilobases (C) Upto 100 kilobases(D) Upto 1,000 kilobases

Description : Polymerase chain reaction can rapidly amplify DNA sequences of the size (A) Upto 10 kilobases (B) Upto 45 kilobases (C) Upto 100 kilobases(D) Upto 1,000 kilobases

Last Answer : Answer : A

Myeloma cells and lymphocytes can be fused by using (A) Calcium chloride (B) Ethidium bromide (C) Polyethylene glycol (D) DNA polymerase

Description : Myeloma cells and lymphocytes can be fused by using (A) Calcium chloride (B) Ethidium bromide (C) Polyethylene glycol (D) DNA polymerase

Last Answer : Answer : C

Xeroderma pigmentosum results from a defect in (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these

Description : Xeroderma pigmentosum results from a defect in (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these

Last Answer : Answer : A

Damage to DNA caused by ultraviolet radiation can be repaired by (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these

Description : Damage to DNA caused by ultraviolet radiation can be repaired by (A) uvr ABC excinuclease (B) DNA polymerase I (C) DNA ligase (D) All of these

Last Answer : Answer : D

α-Amanitin inhibits (A) DNA polymerase II of prokaryotes (B) DNA polymerase α of eukaryotes (C) RNA polymerase II of eukaryotes (D) RNA-dependent DNA polymerase

Description : α-Amanitin inhibits (A) DNA polymerase II of prokaryotes (B) DNA polymerase α of eukaryotes (C) RNA polymerase II of eukaryotes (D) RNA-dependent DNA polymerase

Last Answer : Answer : C