What is the role of DNA polymerase in DNA replication? * O A. DNA polymerase replicates RNA, MRNA and rRNA B. DNA polymerase adds A-U-G-C as compliments to the original DNA strand to make an identical copy. C. DNA polymerase "unzips" the DNA D. DNA polymerase adds complimentary free nucleotides to the original strand to make and identical copy.

What is the role of DNA polymerase in DNA replication? * O A. DNA polymerase replicates RNA, MRNA and rRNA B. DNA polymerase adds A-U-G-C as compliments to the original DNA strand to make an identical copy. C. DNA polymerase "unzips" the DNA D. DNA polymerase adds complimentary free nucleotides to the original strand to make and identical copy.

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The replication of chromosomes by eukaryotes occurs in a relatively short period of time because ? a. The eukaryotes have more amount of DNA for replication b. The eukaryotic replication machinery is 1000 times faster than prokaryotes c. Each chromosome contains multiple replicons di ba ito? Same eto d. Eukaryotic DNA is always DNA stranded
atthew Meselson and Franklin Stahl performed an experiment using heavy isotopes and bacteria to determine which model DNA follows to replicate. Their results are evidence supporting which DNA replication model below? a. The parent DNA molecule is broken into its singular nucleotides from which new nucleotides are copied and then all nucleotides to come back together as one larger DNA molecule. b. The parent DNA strands re-associate after acting as replication templates, forming one molecule of parental DNA and one molecule of daughter DNA. c. The parent DNA is mixed into each of the daughter strands such that both daughter molecules contain a mix of parental and new DNA in each complementary strand. d. The parent DNA strands separate and act as templates for new strands to build onto, such that each resulting molecule is a hybrid of 1 parental strand and 1 daughter strand.
What will most likely be the effect of the change in the DNA molecule? * A. the change will cause a harmful mutation B. the DNA molecule will be unable to replicate C. the organism will be reproduce D. the DNA molecules will code for a different protein Original strand: T A C G T A T G A A G C, Mutant strand: T A G C T A T G A A G C. what type of mutation? * A. Substitution B. Deletion C. Insertion D. Nonsense Which mechanism contributes to accuracy during DNA Replication? * A. The mismatch repair system recognizes an incorrect base-pair and corrects the mistake in the non-methylated strand B. Using primers increase accuracy because the first nucleotides is a new nucleic acid chain are more like to be correct. C. all DNA polymerase have a 5'-3' exonuclease activity which can remove…
Why is DNA replication considered semiconservative? a. One molecule consists of the old strands and the other DNA molecule is entirely new. b.Both strands of each replicating DNA molecule are new. c. One strand of each replicating DNA molecule is conserved and the other strand is newly synthesized. d.Both strands of each replicating DNA molecules are conserved.
Can you explain it?
You are studying bacterial cells and you find bacteria with a mutation that causes it to produce non-functional ligase. If you allowed that cell to replicate once and then you isolated the DNA from the two newly formed cells what would you expect to find? A. One longer single strand of DNA and many short single strands of DNA B. Two longer single strands of DNA and many short single strands of DNA C. Four longer single strands of DNA and many short single strands of DNA D. Eight longer single strands of DNA and many short single strands of DNA Choose the correct answer above and explain why you chose that answer. Your explanation should discuss the replication of DNA in bacteria and the role of ligase in DNA replication.
Which best describes DNA polymerase? Group of answer choices an enzyme that removes the sugar molecule from a nucleotide so that the phosphate groups can be linked together an enzyme involved in DNA replication that binds to DNA and facilitates the formation of a new strand of DNA an enzyme that allows the chromosomes to coil around proteins so that the chromosomes can fit into the nucleus an enzyme that deletes specific regions of DNA an enzyme that breaks DNA down into fragments
Which statement best describes the structure of a DNA molecule A. DNA is single-stranded and straight molecule B. DNA is a double-stranded molecule that looks like a spiral staircase C. DNA is a double stranded molecule that is straight like a ladder D. DNA is a single-stranded and curly molecule
Base analogs are mutagenic because of which characteristic? a. They produce changes in DNA polymerase that cause it to malfunction. b. They distort the structure of DNA. c. They are similar in structure to the normal bases. d. They chemically modify the normal bases.
Which type of replication requires a break in the nucleotide strand to get started? a. Theta replication b. Rolling-circle replication c. Linear eukaryotic replication d. All of the above
PART 3: ELONGATION OF REPLICATION The figure below shows multiple snap shots of a replication fork elongating during replication. As the replication machinery progress along the template strands of the DNA, new DNA is synthesized. 1. On the figure below: a. Label all the 5' and 3' ends of the snap shots 2, 3 and 4. b. Label the leading and lagging strands in snap shot 2. c. Label all the enzymes represented by colorful shapes in the snap shots. Model 2 DNA replication E. coli have circular begins at a single chromosomes, location on the E. coli chromosome. This forms a replication bubble. Snap Shot #1 Snap Shot #2 Snap Shot #3 Snap Shot #4 $1.9 S 5' grod ed brod telesiboriqgoriq erit jods erd abilpeloun Diin ⑤ m This replication bubble can be split down the middle into two replication forks. One of these forks is shown in detail below. plasuosid ni biosbul '3' 53 53 wa wa 43 49
Where does synthesis of the product actually begin in DNA Replication? a. Origin of Replication b. Start Codon c. +1 Start Site d. Primer e. 5'-cap