DNA polymerase separates the two strands of the relaxed DNA helix; the point of separation is the replication fork. O True O False
Q: If there is harmful Mutation in Ligase, termination phase of DNA replication is effected True False
A: To understand the structure of nucleic acid, it is necessary to first understand the structure of…
Q: Which type of DNA damage can be addressed by non-homologous end joining? O Pyrimidine dimers O…
A: Non homologous end joining is a repair pathway for double stranded breaks in DNA. It is called…
Q: When DNA copies itself..the first step that DNA must do is: O DNA Polymerase checks for errors after…
A: The synthesis of new DNA molecule from the old DNA is known as the replication process. The…
Q: Because a newly synthesized DNA molecule consists of one old strand and one new strand, DNA…
A: Introduction DNA replication is very crucial for the continuation of life as every new daughter…
Q: DNA gyrase manages DNA tangles and supercoils by breaking DNA strands to allowing DNA to rotate into…
A: Introduction:- During cell division, DNA replication is the process by which DNA duplicates itself.…
Q: Give the DNA compliment to the following DNA strand. GTA SMH UUU GUA CAT
A: In DNA replication, the rule of complementarity is as follows- 1. Adenine (A) and Thymine (T) are…
Q: Which of the following statements is FALSE? O The lagging strand of DNA is started by an RNA primer.…
A: The correct answer is (c), this statement is false The DNA replication in bacteria occurs…
Q: Shown below is a double stranded DNA molecule.Replicate this DNA and show the products formed from…
A: DNA REPLICATION :- It is the process by which DNA makes a copy of itself during cell division. The…
Q: Having the ability to degrade the DNA allows the DNA polymerase to perform its job properly and…
A: DNA replication is a complex process of producing copies of the entire chromosome using the…
Q: There are leading strand and lagging strands in DNA replication. O True O False
A: DNA is a two stranded ladder like structure which act as template for formation of its own strand as…
Q: Before a cell divides, it duplicates its DNA in a process called Replication molecule unzips into…
A: Molecular Biology is the branch of biology that deals with a study of the composition, arrangement,…
Q: Paired DNA strands must be separated from each other before they can be copied in DNA replication.…
A: DNA is genetic material and it is most important part in any cell. Each cell should have correct…
Q: True or False: Polymerases open the DNA and create the replication bubble while helicases run…
A: Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains which wrap around one…
Q: Determine the complementary strand of DNA that forms on this template DNA fragment during…
A: The complementary strand of the DNA fragment during the replication : 3' CCAAAGAAGTTCTCT 5'
Q: True or False: The DNA replication process always produces a perfect copy of the original…
A: Note - We answer one question at a time. DNA is the deoxyribonucleic acid and consists of…
Q: Optimal DNA replication requires the coordinated effort of all the following EXCEPT: A single strand…
A: Single stranded binding proteins prevent single stranded DNA from exonuclease activity during…
Q: copy of a molecule of DNA. In this process, the joining of nucleotides to extend a new strand of DNA…
A: DNA replication is a process in which DNA makes its daughter stand by making a copy of the original…
Q: 22. Answer and explain
A: DNA synthesis is the process of the formation of a new DNA strand from an existing DNA strand. The…
Q: A portion of one strand of DNA has the sequence 5′ AATGGCTTA 3′. If this strand is used as a…
A: DNA polymerase moves along the template strand in a 3'–5' direction, and the daughter strand is…
Q: true or false: a nucleotide’s 5 end provides the energy to synthesize a new strand of DNA.
A: Replication is one of the essential properties of genetic material because the progeny cells should…
Q: A DNA strand contains a mismatched thymine. What type of DNA damage has occurred to cause this…
A: It is a multiple choice question.
Q: DNA replication isa) Conservativeb) Non-conservativec) Semi-conservatived) None
A: Deoxyribonucleic acid (DNA) is a genetic material present in most of the living organisms. DNA…
Q: What forces hold the two individual strands of DNA together to form a double helix? a. ionic bonds…
A: DNA is a type of nucleic acid. It is a polymer of nucleotides. A nucleotide is made up of sugar,…
Q: i) Assume that the following polynucleotide is part of a longer DNA molecule. Write out the product…
A: DNA It is defined as a genetic material which has all the stored genetic information of an…
Q: The following statements are correct EXCEPT: A) Information in the DNA is transcribed int mRNA and…
A: DNA is a genetic material which is safely stored inside the nucleus of the cell . It is ladder like…
Q: After DNA replication, each new DNA double helix consists of two old strands O each new DNA double…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: DNA replication is semi-conservative and results in each new cell receiving a copy composed of 1 new…
A: DNA or deoxyribonucleic acid is the biomolecule that carries the genetic information in a coded form…
Q: What is the name of proteins that relax supercoiled state of a DNA molecule are called? Polymerase…
A: During the process of transcription and DNA replication overwinding of the DNA duplex would lead to…
Q: The DNA content in a cell is exactly double (2N) its original content in the following stages of…
A: The life cycle of eukaryotic cells can generally be divided into four stages. They are G1-phase,…
Q: Which of the following enzymes remove supercoiling in replicating DNA ahead of the replication…
A: The DNA is in the form of a circular molecule. The DNA is right-handed helix and consists of some…
Q: DNA pol 3's inability to begin the replication process is solved by which enzyme? helicase primase…
A: DNA is genetic material in most of organisms . It act as template for synthesis of its own . This…
Q: The "backbone" of DNA is made up of nitrogenous bases. O True O False
A: 1) FALSE The back bone of DNA is made up of sugar,nitrogenous bases and a phosphate moiety.
Q: All of the following are involved in DNA replication excepta) polysome. b) gyrase. c)…
A: DNA is the genetic and hereditary material in all living organisms. When a cell divides, DNA is…
Q: During DNA replication the FIRST SYNTHESIS begins with the action of DNA Polymerase I DNA Polymerase…
A: The DNA replication occurs by semiconservative mode and it involves production of new DNA from the…
Q: Give the DNA compliment to the following DNA strand. GAA CTT a b. GAA CUU BRB
A:
Q: Cuble stranded DNA molecule of 50 base pars (100 nucleotides total) contains 15 cytosine bases (C).…
A: DNA is a double stranded helix which is a hereditary material of organisms. It contains 4 nucleotide…
Q: DNA topoisomerase makes single or double-stranded cuts in DNA to induce or relax supercoiling or…
A: Different enzymes are involved in the process of DNA replication. Topoisomerases are one such class…
Q: Give the DNA compliment to the following DNA strand. ATG UAC b. TAC GTG OMG
A: DNA is the nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid in which…
Q: Which of the following DNA repair mechanisms involves the 3' to 5' exonuciease function of DNA…
A: DNA Polymerase is the enzyme that catalyzes the synthesis and replication of DNA. It plays a vital…
Q: Complete the complementary stand of the DNA shown Complementary strand стАG GTAC TCAC G
A: It is the DNA strand in which the sequence if the constituent molecules on one strand matches the…
Q: DNA replication is a semi-conservative process
A: In molecular biology, DNA replication is the process of synthesizing two identical copies of DNA…
Q: DNA A= 5' GGG GCT AGC CCC 3' DNA B=3' ATA TAT ATA CCC 5' DNA C= 5' TAC GTT ACG TCG 3' DNA D= 3' ATC…
A: A hairpin loop has a stem that contains complementary bases and a circular structure that does not…
Q: A DNA molecule 300 bp long has 20 complete rotations. This DNA molecule is a. positively…
A: If DNA is in the form of a circular molecule, or if the ends are rigidly held so that it forms a…
Q: D) UNI OR BIDIRECTIONAL Replication forks move in one or opposite directions (a) Unidirectional…
A: This picture is showing the directionality of the replication of the DNA. The DNA replication…
Q: Why do most replication errors occur? O 1. DNA polymerases work very fast and mistakes are…
A: Deoxyribonucleic acid (DNA) is a protein molecule made up of two polynucleotide chains that wrap…
Q: DNA ligases will seal all nicks there are in the DNA strands during the replication process and in…
A: DNA nicks introduced during the process of replication, recombination or repair if left unchecked,…
Q: At which point during DNA replication is genetic lost from the telomeres? Enzymatic action of…
A: Replication is the process of making two identical DNA molecules from a double-stranded DNA…
Q: A DNA molecule rich in C-G base pairs will have less hydrogen bonds between its two strands compared…
A: DNA, as well as RNA, belongs to the class of macromolecules. They are known to store genetic…
Q: TRUE OR FALSE: a) DNA replication requires the participation of at least 8 nucleoside…
A: The flow of genetic information from DNA to RNA, RNA to protein synthesis is called central dogma.…
Step by step
Solved in 2 steps
- Energy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from ______. a. phosphate-group transfers from ATP b. DNA polymerase c. the nucleotide itself d. a and cEnergy that drives the attachment of a nucleotide to the end of a growing strand of DNA comes from ________. a. the nucleotide b. DNA polymerase c. phosphate-group transfers from ATPThe initial mechanism for repairing nucleotide errors in DNA is _____. a. mismatch repair b. DNA polymerase proofreading c. nucleotide excision repair d. thymine dimers
- What is the function of DNA polymerase? a. It degrades DNA in cells. b. It adds RNA nucleotides to a new strand. c. It coils DNA around histones to form chromosomes. d. It adds DNA nucleotides to a replicating strand. e. None of these.A student mixes various molecule needed for DNA replication. When he adds DNA, replication occurs, but each DNA duplex consists of a normal DNA strand paired with numerous segments of DNA a few hundred nucleotides long. What has been left out of the mixture? A. NTPs B. DNA polymerase III C. ATP D. DNA polymerase I E. DNA ligaseArrange the following events of DNA replication in the proper order. A. DnaA binds DNA B. DNA polymerase binds to a free 3’ – OH C. Topoisomerases act D. Ori “melts/denatures”
- Replication of nuclear DNA begins at the Ori (origin of replication). True or falseDNA polymerases add a deoxyribonucleotide triphosphate to the 5' hydroxyl group of a growing DNA chain (the primer strand). True or falseNumber the steps of DNA replication in the correct order (1, 2, 3) a) ______ Polymerase travels down the DNA parent strand b)______ DNA strands are unzipped c) ______ Ligase binds Okazaki fragments together
- DNA replication is described as semi-conservative because _____. A. one leading strand and one lagging strand are produced in DNA replication B. all new DNA strands are synthesized continuously C. one new DNA strand is synthesized discontinuously D. DNA replication can never produce DNA molecules which consist of both original DNA stands E. one DNA strand is the template while the complementary strand is notDNA replication is said to be semiconservative becausea. each new DNA molecule contains one new strand and one old one.b. every other new DNA molecule contains two old strands.c. each new DNA strand contains two new strands.d. every other new DNA molecule contains one new strand and one old one.DNA replication begins on a double helix at specific sites, called origins of replication where DNA polymerases make the covalent bonds between the nucleotides of a new DNA strand and replication then proceeds in both directions. Select one: True False