The Sanger method of DNA sequencing uses a mixture of DNTPS and ddNTPs, which are missing oxygen atoms at both the 2' and 3' carbons. What is the role of the ddNTPs? O A. They stop replication because they are not able to bind to the growing DNA strand. O B. They stop replication because the next nucleotide in the growing strand cannot bind to the O C. The enhance replication because DNA polymerase selectively adds them to the growing D strand. O D. They enhance replication because they form additional hydrogen bonds with the complime DNA strand. 身

The tuble below shows part of the process of DNA replication Origin al ONA Strand Complementary DNA Strand A-C-C-G-T-A-C T-G-G-A A-T-G What is the most likely effect this could have on genetic information going forward? O There willl be no change in the genetic information that gets transmitted because the complementary strand will never be used as a template O There will not be a change in the genetic information that gets transmitted because the cells having the new section of DNA will cored any mutations O There will be a change in the genetic information that gets transmitted due to the complementary strand being used as a template in fulure DNA replication. OThere will be a change in the genetic information that gets transmitted because the sections of DNA with mistakes will be passed on to make future generalions songer

What attracts or directs the synthesis enzyme to the template in DNA Replication?   a. Promoter   b. Primer   c. 5'-cap   d. Poly-A Tail   e. Start Codon

Why the DNA polymerase cannot work from 3’ to 5? To answer this question, draw a dNTP and show which part of the dNTP is transferred to the growing chain.

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.

Which of the following steps in DNA replication would occur second? 1.DNA molecule separates into two template strands.2.Complimentary nucleotides are added to each template strand.3.DNA molecule unwinds.4.Two DNA molecules, each with a template strand and a new strand, are formed.

Give only typing answer with explanation and conclusion You are studying a strain of bacteria that carries a temperature-sensitive mutation in one of the genes required for DNA replication. The bacteria grow normally at the lower temperature, but when the temperature is raised they die. When you analyze the remains of the bacterial cells grown at the higher temperature you find evidence of partly replicated DNA. When the strands of this DNA are separated by heating, numerous single-stranded DNA molecules around 1000 nucleotides long are found. Which of the proteins listed below are most likely to be impaired in these mutant bacteria and why?: Primase, Helicase, or DNA Polymerase?

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…

A primer is laid down complementary to the DNA sequence TAGCAATCGCA to prime synthesis of a daughter strand. What will the sequence of the primer be? A. ATCGTTAGCGT B. ATGGTTAGGGT C. AUCGUUAGCGU D. AUCGTUAGCGT