Which of the Following Is True About Rna Polymerase

Which of the following is true about DNA polymerasea It can synthesize DNA in the 5 to 3 directionb It can synthesize DNA in the 3 to 5 directionc It can synthesize mRNA in the 3 to 5 directiond It can synthesize mRNA in the 5 to 3 direction. The RNA polymerase is slow inefficient and adds nucleotides 40 to 50 per second.

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Specifically it catalyzes synthesis of the RNA strand complementary to a given RNA template.

. Polymerase chain reaction PCR is used to amplify a DNA segment to synthesize. The DNA-dependent RNA polymerase binds to the promoter and catalyses the polymerization in the 5 to 3 direction on the template strand. RNA-dependent RNA polymerase or RNA replicase is an enzyme that catalyzes the replication of RNA from an RNA template.

RNA or ribonucleic acid is the genetic material of many organisms like viruses. It uses nucleoside triphosphate as substrate and polymereses in a template dependent fashion following the rule of complementarity. A 1 b 350 c 3500 d 4 X 10-3.

6 Which of the following is an example of substitution editing. The RNA polymerase is the main enzyme involved in transcription. Its main role is in repair and also a backup of DNA polymerase III.

It contains four-element bases purine guanine pyrimidine and uracil. Innate immunity refers to non-specific defense mechanisms that come into play immediately or within hours of an antigens appearance in the body. 8 Which enzyme adds the poly A tail to RNA.

A it is used as a template to make RNA b it is complimentary to mRNA c its sequence is the same as RNA except Ts and Us are switched d it is transcribed in the 3 to 5 direction 2 RNA polymerase does not need which of the following. RNA polymerase II b RNA primase c RNA polymerase III d RNA. A DNA polymerase is a member of a family of enzymes that catalyze the synthesis of DNA molecules from nucleoside triphosphates the molecular precursors of DNA.

During this process DNA polymerase reads the existing. Using the enzyme helicase RNAP locally opens the double-stranded DNA so that one strand of the exposed nucleotides can be used as a template for the synthesis of RNA a process called transcription. DNA Polymerase II is coded by polB gene.

B A thermostable DNA polymerase is required. Which of the following statements is accurate for the PCR polymerase chain reaction. First of all all DNA polymerases must have both a template strand and a primer strand.

C It is a DNA amplification technique. Select all that apply It is an enzyme. It somehow also facilities the opening of the helix and continues elongation.

Solve Study Textbooks Guides. Which of the following is true about DNA polymerase. RNA polymerase will transcribe only the exons by skipping over the introns within a eukaryotic gene sequence 2 RNA polymerase will transcribe both DNA strands moving in the 3 to 5 direction for one strand and 5 to 3 on the other 3 RNA polymerase will transcribe both DNA strands but only one RNA molecule will be used during translation 4None of the statements.

These enzymes are essential for DNA replication and usually work in groups to create two identical DNA duplexes from a single original DNA duplex. A adding Us to RNA b removing introns from RNA c changing a C in RNA to an I d all of these 7 How many messenger RNA molecules leave an average nucleus in a minute. The correct answer is Both 1 and 2.

Molecular Basis of Inheritance. In molecular biology RNA polymerase or more specifically DNA-directeddependent RNA polymerase is an enzyme that synthesizes RNA from a DNA template. It is made up of 7 subunits.

Synthesis must be initiated by a short RNA segment known as RNA primer synthesized by Primase in the 5 to 3 direction. The correct options are. These mechanisms include physical barriers such as skin chemicals in the blood like cytokines and immune system cells that attack foreign.

A Automated PCR machines are called thermal cyclers. Solution for Which of the following are true in regards to the SARS-CoV-2 RNA-dependent RNA polymerase. This is in contrast to typical DNA-dependent RNA polymerases which all organisms use to catalyze the transcription of RNA from a DNA template.

First whereas all genes are transcribed by a single RNA polymerase in bacteria eukaryotic cells contain multiple different RNA polymerases that transcribe distinct classes of genes. It consists of nucleotides that are composed of 3 elements particularly sugar molecules element bases and phosphate. DNA synthesis then occurs by the addition of a dNTP to the 3 hydroxyl group at the.

Purine pairs with U mistreatment 2. Hence the error rate of the RNA polymerase is much higher than the DNA polymerase. And Reason are true but the reason is not the correct explanation of the assertion then mark b 3 If Assertion is true but Reason are false then mark c 4 If both Assertion and Reason are.

RNA polymerase 1 also known as Pol I is in higher eukaryotes the polymerase that only transcribes ribosomal RNA but not 5S rRNA which is synthesized by RNA polymerase III a type of RNA that accounts for over 50 of the total RNA synthesized in a cell. DNA polymerase Ⅰ removes the RNA primer from lagging strand by 53 exonuclease activity and also fills the gap. 1 Which of the following is true concerning the coding strand of DNA.

Key Points PCR Polymerase Chain Reaction In this reaction multiple copies of the gene or DNA of interest is s. A an RNA-dependent RNA polymerase b a DNA-dependent RNA polymerase c a reverse transcriptase d a DNA-dependent RNA polymerase 5 Reverse transcriptase catalyzes all the following reactions except _____. The RNA polymerase binds it promoter and initiates transcription Initialion.

It uses single-strand DNA to synthesize a complementary RNA strand. A RNA-dependent DNA polymerase b RNase c DNA-dependent DNA polymerase d DNA-dependent RNA polymerase. RdRp is an essential.

It has 35 exonuclease activity. RNA polymerase is a multi-unit enzyme that synthesizes RNA molecules from a template of DNA through a process called transcription. Second rather than binding directly to promoter sequences eukaryotic RNA polymerases need to interact with a variety of additional proteins to specifically initiate transcription.

In the following questions a statement of Assertion A is followed by a. Unlike RNA DNA polymerases cannot synthesize DNA from a template strand. C Millions to billions of desired DNA copies can be produced from microgram quantities of DNA.

But like DNA polymerase RNA polymerase is also important for a cell. The transcription of genetic information into RNA is the first step in gene expression that precedes translation the process of decoding RNA into proteins. Sugar utilized in RNA is ribose sugar.

A all four ribonucleoside triphosphates. It required a holoenzyme to function properly although does not have a proofreading activity.

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