12 asev DNA LigaseD. Synthesizes new DNA nucleotidesQUESTION 12During DNA replication, short RNA primers are made by the Primase. Why?a. To provide a 3'-OH so RNA polymerase can begin DNA synthesis.O b. To identify the termination sequence for DNA polymerase during DNA synthesis.Oc. To recruit single stranded binding proteins to the correct location.d. To provide a 3'-OH so DNA polymerase can begin DNA synthesis.e. To identify the origin of replication to recruit the origin replication complex to the correct genomic location.QUESTION 13The figure below depicts a nucleotide. Use it to answer the following questionsClick Save and Submit to save and submit. Click Save All Answers to save all answers.stv17

Answered: Image /qna-images/answer/0033a46c-85be-47bf-9960-ab9e0c67d4ca.jpg

QUESTION 12 During DNA replication, short RNA primers are made by the Primase. Why? O a. To provide a 3'-OH so RNA polymerase can begin DNA synthesis. O b. To identify the termination sequence for DNA polymerase during DNA synthesis. Oc. To recruit single stranded binding proteins to the correct location. O d. To provide a 3'-OH so DNA polymerase can begin DNA synthesis. O e. To identify the origin of replication to recruit the origin replication complex to the correct genomic location.

QUESTION 12 During DNA replication, short RNA primers are made by the Primase. Why? O a. To provide a 3'-OH so RNA polymerase can begin DNA synthesis. O b. To identify the termination sequence for DNA polymerase during DNA synthesis. Oc. To recruit single stranded binding proteins to the correct location. O d. To provide a 3'-OH so DNA polymerase can begin DNA synthesis. O e. To identify the origin of replication to recruit the origin replication complex to the correct genomic location.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter14: Dna Structure And Replication

Section: Chapter Questions

Problem 14TYK: Discuss Concepts During replication, an error uncorrected by proofreading or mismatch repair...

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Mutation: Thiamine Dimers A. what is a mutagen or cellular process that leads to this mutation? B. If the nucleotide excision repair pathway is not functional, is there another pathway or mechanism for preparing this mutation? if so, what is the pathway/mechanism? C. what is the consequence of this mutation if it is not repaired before DNA is replicated to make the next generation of cells?
The function of gamma (y) complex of DNA polymerase III is to Select one: O a. to unwind double strand DNA (template DNA). O b. to associate the core DNA polymerase llI with template DNA. O c. to stimulate 5' to 3' exonuclease activity O d. to upload beta subunit of DNA polymerase III to template DNA.
Match the substance to it's function. v Prevents supercoiling/Overwinding of the DNA A. Nucleosomes v Unwinds and separates the double stranded DNA B. Toposiomerase v Adds a short piece of complementary RNA nucleotides C. Ribosome v Copies DNA and adds complimentary DNA nucleotides D. Nuclease v Prevents DNA strands from connecting E. RNA polymerase v Links together short segments of DNA F. Helicase v Found only in the lagging strand G. DNA Polymerase v What chromosomes are made of H. DNA and Proteins v The proteins found in chromosomes I. Codon v DNA wrapped around proteins J. Okazaki Fragments Responsible for making mRNA K. Anticodon v The site of translation L. DNA Ligase M. Histones v Cuts DNA for mutation repair N. Primase v A triplet of nucleotides on MRNA O. Single Strand Binding Proteins v A triplet of nucleotides on tRNA
Which of the following statements about cellular DNA metabolism is(are) TRUE? A All DNA polymerases have highi fidelity due to their 3:to-5' exonuclease activity aUracil bases appoar in DNA as a result of deamination of cytidine bases OC DNA primase synthesizes a short RNA primer that later appears at the 5 end of each Okazaki tragment. Do. DNA polymerase adds nucieotides to the 3end of a growing DNA strand DESpecial methyltransferase modifies adenines in GATC sequences of the newly synthesized DNA strands for subsequent re- OR Endonucleases are able to degrade both circular ald linear DNA molecules
5" ய C. B. DNA 5' 3' H. Downstream Upstream The process illustrated in the figure is: O transcription. O translation. a frame shift mutation. O protein synthesis. ODNA synthesis. m.
. The table opposite shows the standard (coding strand) DNA winlet codes for the 20 amino acids involved in protein synthesi A section of DNA template strand is shown below. 5'-CATCCAAATTGTTGCCCG-3' (a) Write down the sequence of amino acids formed when ti section of DNA is transcribed and translated.
During DNA replication, one of the new strands of DNA is synthesized continuously, while the other is synthesized as a number of separate fragments of DNA that are subsequently linked by DNA ligase. This is because O replication starts at many points on the chromosome RNA primers only anneal to one of the parental strands of DNA one of the parental strands is unwound slower than the other by helicase DNA polymerase III only synthesizes DNA in the 5' - 3' direction
a. Pfu Polymerase b.dNTPs c.Buffer Match each component above to the correct function(s) listed below. Write your selection(s) for each component. You may have more than one answer for each. 1. unwinds DNA 2. synthesizes new DNA strands 3. enzymatically catalyzes Quikchange 4. nucleotide source for new DNA strands 5. Energy source for reaction(s) 6. Repairs errors in base pair matching 7. Maintains pH and salt levels 8. Creates polymer chains
Proof-reading during DNA replication refers to: * O removal of thymine dimers by by excision repair O none of the above checking for correct base pairing by DNA polymerase removal of the RNA primer before connecting Okazaki fragments O pairing of A with T and G with C by DNA polymerase
Molecules involved in DNA replication A. DNA Polymerase I B. DNA Polymerase III C. Single strand binding proteins D. Helicase E. DNA Ligase F. Primase Match each of the molecules with their specific role in DNA replication. NOTE there is only one correct molecule for each role. 1 Unwinds the helical structure of DNA and separates the two strands Prevents the two strands from reforming hydrogen bonds with each other 3 Synthesizes a short fragment of RNA to serve as a starting point for DNA replication Synthesizes most of the new DNA by using the complementary strand as a template 5 Replaces short RNA fragments with DNA Forms the final covalent bonds to make each strand of DNA a contiguous monomer of nucleotides
What does it mean to say thhat extension by DNA polymerase III proceed 5'---3'? A. The 5' end of a DNA polymerase molecule attaches to the 3' end of primase. B. DNA polymerase adds nucleotides to a growing strand, moving in the 5' to 3' direction. C. DNA polymerase seals nicks as it moves along a DNA strand toward the 3' end. D. DNA polymerase can only synthesize DNA at the 5' end of an existing strand of DNA.
Describe the genetic roles of DNA helicase and DNA polymerase. Contrast the function of DNA polymerase with thatof RNA polymerase.