Earn Transferable Credit & Get your Degree. c. 5'-CTCGAAT-3'. Where is the DNA housed in a prokaryotic cell and a eukaryotic cell? (a) polymerase (b) sugar (c) base (d) phosphate. The patients were isolated in a hospital in Frankfurt, and a faint rash and minimal pharyngitis were observed in one patient. (a) DNA ligase (b) DNA polymerase (c) RNA polymerase (d) primase. b) 54˚ How many DNA duplex is obtained from one DNA duplex after 4 cycles of PCR? a. a double-stranded DNA break b. a single-base mismatch c. a single-stranded DNA break d... What feature of double-stranded DNA makes it necessary to have a leading strand and a lagging strand during replication? Past questions and answers for noun NSC 108 medical biochemistry 1 100L. A phosphate group in a nucleotide is attached to the 3' carbon in ribose. DNA and RNA are similar yet distinct components of the cell. Explain why the two strands of DNA are said to be antiparallel. Other than cancer what are the diseases that are being treated with bio chips? b) Template – double stranded DNA When you squish your fly you will be breaking open cells and nuclei and releasing chromosomal dan into the buffer you will be amplifying a specific sequence on one of the chromosomes . UV from the sun is carcinogenic and is the principal cause of skin cancer. CIT 301 Introduction to Computer Programming ), Free Website Design Training...! The genetic molecule common to all living things is. Compare cellular DNA replication to PCR replication. Depending on your search criteria, you will see list of We'll get it here for you! b.compoised of only adenine and thymine. (c) Erk-MEK. Rank the DNA samples with respect to their relative Tm. (a) Watson and Khorana (b) Crick and Messelsen (c) Watson and Crick (d) Watson and Mendel. Complementary base pairing in translation. b) Double stranded DNA oligonucleotide According to Zou et al. Emerg Microbes Infect. 3'-AGATCCG-5'. In addition, Institute Pasteur has developed a duplex RT-PCR test for RdRp. A protocol can be requested from the institute. What method was used to discover the structure of DNA? Nucleic acids are polymers of what monomers? Enter your card details and complete the transaction. b) 54˚ The variation in our DNA comes from A. The m6A (N6-Methyladenosine) modification on RNA has a RRACH motif. MAC411) Which of the following protects the ends of a DNA molecule? How many hydrogen (H) bonds are required for bonding between A - T and C - G? An investigator analyzes the composition of DNA for a cell and finds 18% adenine. A) Phosphates B) Ribose C) Deoxyribose D) Bases E) Amino acids. a. Sugar-phosphate backbone b. twenty amino acids c. four nucleotide bases d. hydrogen bonds between bases of the two strands. Not having enough credits ? What causes G C base pairs to form stronger pi-stacking interactions than A T base pairs? Explain the function of all molecules involved in DNA replication. Briefly describe the role of the following scientists constructing a correct model of DNA: Francis Crick, James Watson, Rosalind Franklin, and Maurice Wilkins. a) Polymerase – Taq polymerase How would their chemical composition differ? Describe the work of Rosalind Franklin and Maurice Wilkins. Why are palindromes in DNA sequences of biological interest? (a) make proteins (b) issues instructions for cell function (c) warehouse genetic information (d) all the above. A DNA molecule has four "ends" - two on each of the two polynucleotide strands. b) on the outside, separated by grooves of equal size. In addition, Institute Pasteur offers RNA E and RdRp RNA transcripts by request, the US CDC is working on an inactivated whole virus control and WHO is working on an RNA transcript control that will eventually be shared. Explain why a sports drink is used to collect the cheek cells inst... What is the composition of a DNA fragment? a) Escherichia coli View and download the e-exam 2019 past questions and answers below NOTE: For Desktop/laptop users: left click on the file you wish to download when … Why does an RNA primer attach only at the 5' end of DNA? The AP-1, transcription factor is composed of the 2 protein types: (a) Myc-Abl. Which of the following nucleotide sequences represents the complement to the DNA strand 5'-AGATCCG-3'? Is there any specific sequence? Based on what you know... Why do non polar solvents de-stabilize DNA? c. The pelvic fin. The discovery of the double helix structure of DNA by James Watson and Francis Crick marked a milestone in the history of biology. Nucleic Acids & Polymerase Chain Reaction, Regulation of Transcription in Prokaryotes, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Molecular Biology Questions and Answers – Hybridization of DNA and RNA, Next - Molecular Biology Questions and Answers – Inverse PCR & Randomly Amplified Polymorphic DNA(RAPD), Molecular Biology Questions and Answers – Hybridization of DNA and RNA, Molecular Biology Questions and Answers – Inverse PCR & Randomly Amplified Polymorphic DNA(RAPD), Python Programming Examples on Linked Lists, Heat Transfer Operations Questions and Answers, Steam and Gas Turbines Questions and Answers, Computer Fundamentals Questions and Answers, Genetic Engineering Questions and Answers, Vector Biology & Gene Manipulation Questions and Answers, Molecular Biology Questions and Answers – RNA is Processed in Several Ways, Molecular Biology Questions and Answers – RNAs in Gene Regulation, Molecular Biology Questions and Answers – Molecular Basis of Homologous Recombination, Molecular Biology Questions and Answers – Properties of DNA Polymerase – 1, Molecular Biology Questions and Answers – RNA Polymerase Knows Where to Stop, Molecular Biology Questions and Answers – Ribosomes Read the Genetic Code, Molecular Biology Questions and Answers – Construction of DNA and RNA Libraries. How many hydrogen bonds are formed between one A-T base pair? What would be the sequence of the complementary strand? The eye. Suppose someone presented data from their research that showed the DNA of a newly discovered species was composed of 30% adenine, 30% guanine, 20% thymine, and 20% cytosine. Sugar B. Nitrogenous base C. Amino acid D. Phosphate group. View Answer. Sugar B. Nitrogenous base C. Amino acid D. Phosphate group. A double-stranded DNA molecule that has 22% guanine will have O 26% thymine O 22% cytosine O 44% adenine O 26% uracil O Both A and B are correct. How many of these ends are phosphate groups? How is the structure of RNA similar to that of DNA? Browse through all study tools. Describe how the pattern of base-pairing between DNA strands provides both stability and easy replication. A human has 10^{11} cells and each human cell has about 6 times 10^9 nucleotide pairs of DNA. Paystack secured payment processing page. CGCGTATACGCGCGCGCGC. a. What is the process that turns on the transcription of a gene or genes? How are the 3' and 5' of a DNA molecule different and which end grow during replication? C) 20% protein and 80% DNA. Primer used for the process of polymerase chain reaction are ______________ What is the difference between DNA and genes? The two strands of DNA are anti-parallel in nature; with the sugar either in the upwards or downwards position. A T C C G C A C T A T. What differences would I find in the DNA of bacteria from an area of heat and an area of cold? Molecular and serological investigation of 2019-nCoV infected patients: implication of multiple shedding routes. c) 16 mRNA CUC AUG AUA GAU CGU tRNA Anti-codon. The double-helical model of DNA was discovered by _______. Purchase credit once and download as many as possible from your credits. (d) Electrostatic bonds. True or False: During replication, the strands of DNA separate and each serves as a template for a new strand. The overall body shape. Choose the best explanation. B. Hydrogen bo... Rosalind Franklin used which technique to determine many of the physical characteristics of DNA? After convertion, just login to your profile and start uploading. A. ATGC B. CGTA C. TACG D. GCAT. Most of these questions are definition based, well suited for you to try during your studies to check your progress. (c) Bases occur in random order. (b) What are DNA's four nucleotides, and how do they pair up? D) 80% protein and 20% DNA. Pan et al. Which of the following is not a feature of DNA? Both upper respiratory specimens obtained on day 7 remained positive for SARS-CoV-2, including persistent high levels in a nasopharyngeal swab specimen (CT values: 23–24). 7 Feb 2020; Kim JY, Choe PG, Oh Y, Oh KJ, Kim J, Park SJ, et al. The first case of 2019 novel coronavirus pneumonia imported into Korea from Wuhan, China: Implication for infection prevention and control measures. c. All DN... What is a major difference between DNA polymerase I and DNA polymerase III? (d) Jun-Fos. a. National Open University of Nigeria, Lagos |. Peer-reviewed results on the possible transmission from asymptomatic persons are still too limited to come to a conclusion. Dear Adeyemi, your download request is available. (c) Deoxyribose. During the S phase of the cell cycle, DNA is replicated. Sort the following from least compacted DNA to most compacted: naked DNA, nucleosomes, solenoid, chromatin loops, chromosomes. Our mission? b) False It seems like they would have to be to allow for both alleles to be present during... What would be the ramifications if DNA was single stranded? What is the structure of DNA determined by? Click any of the list item to display details. 1) What is the complementary strand of the DNA sequence GCAAT? The structure of DNA is held together by A. purines pairing with pyrimidines. Arrange the following sequences in the order of increasing melting temperature (i.e., from lowest to highest). Click the search button icon. Discuss how the shape of a DNA molecule impacts specific functions of DNA. Which of the following statements is NOT true regarding DNA packaging in a eukaryotic cell? Do you have any past questions from your institution? Which of the following enzymes is the first to bind to the DNA sequences at the origin of replication? Hoehl et al. Describe the way long strands of double-helical DNA fit into the nucleus of a single cell. (b) Explain why at any given moment, bacteria are only expressing a fraction of their genes. Prolonged virus shedding has been observed among convalescent children after mild infections, both in the respiratory tract (22 days) and in faeces (between two weeks and more than one month) (Jiehao et al.). Match the scientist or group with his, her, or their accomplishment. I. TGCGAT II. b. Are Okazaki fragments on the lagging strand replicated from 5'-3' or the opposite? In this blog post I’m going to provide you with 100 free PMP exam sample questions. Based on the above WHO guidance: non-propagative diagnostic laboratory work (e.g. What 2 molecules make up the sides of DNA? At what temperature do annealing of DNA and primer takes place? Then you can proceed to download. Please I need the e -exam past questions on the following courses: PCR 276 GST 204 GST202 PCR … Exam Past Questions (EPQ) is Nigeria's foremost examination resource platform, built with technology to allow anyone to search, preview, upload, share, find and download millions of examination related files/resources that fuel their educational goals. Molecular Biology Questions and Answers – Fundamentals of PCR « Prev. Other researchers have made important but seemingly unconnected fi... Why is DNA said to have a structure that resembles a ladder? 3. a. What were the findings of Hershey and Chase?
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