Question 3 Listen You have the following DNA sequence: 5'GGT ACG TTG GGG CTC CAT3' This sequence is transcribed and translated. If the G in Bold changes to a A, then the result will be A) A nonsenese mutation B) A frameshift mutation C) A silent substitution D) A missense mutation
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GQ3
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- Question 11 Species A and species B have the following nucleotide sequence at a locus that is not under selective pressure: Species A: ACCTAGCTCAGAGTCCGGATACTGATCAGA Species B: AGCTAGCTCCGATTCCGGATACCGATCAAA Previous sequencing efforts at this locus for closely related species revealed a mutation rate of about 0.068% per million years, and you decide to use this for your study. Given the formula D=ut where D=% sequence divergence, u=mutation rate, and t=time since divergence, how long ago did species A and species B diverge? A 2.45 mya 0.024 mya 1.48 mya D 245 mya E 13.2 mya Last saved 1:07:04 PM Pri Ter |曲 11 e Type here to search PrtScn Home F9QUESTION 21 You have the following coding sequence for a gene and need to generate billions of copies to study it. Which of the following are correce 5'ACCGACTATGCGGACTACGCGGGATCAAGGATCTGACT3' PCR can be used as a technique to generate copies of the sequence Polymerase chain reaction can be used as a technique to generate copies of the sequence ANTPS are needed in the reaction mix rNTPs are needed in the reaction mix DNA primers are used in the reaction mix RNA primers are used in the reaction mix The primers 5'ACCGA3' and 5'TGACT3' would allow amplification of the entire sequence above The heating step breaks phosphodiester bonds and allows each strand to serve as a template strand Human DNA polymerase would be used for the reaction mix but it is difficult to harvest from human cells Human DNA polymerase is denatured and rendered nonfunctional during the first step of the reaction cycle Click Save and Submit to save and submit. Click Save All Answers to save all answers. MecBook AirQuestion 19 A transversion mutation would be replacing T by: A either A or G BU (c) T D) c
- Question 7 A unique 5'CCA terminal sequence is found in all RNAS to be able to carry the correct amino acid to the ribosome. A True B) FalseQuestion 15 Only eukaryotic transcription enzymes will synthesize small nuclear RNA molecules involved in the maturation and processing of other RNAS. (A) True B) FalseQUESTION NO. 1 A transition mutation A. occurs when a purine is substituted for a pyrimidine or vice versa. B. results from the insertion of one or two bases into the DNA chain. C. is most frequently caused by chemicals (like acridine) that intercalate into DNA. D. results from substitution of one purine for another or of one pyrimidine for another. E. always is a missense mutation QUESTION NO. 2 Degeneracy of the generic code denotes the existence of A. multiple codons for a single amino acid. B. codons consisting of only two bases. C. base triplets that do not code for any amino acid. D. different systems in which a given trip let codes for different amino acids. E. codons that include one or more of the unusual bases. QUESTION NO. 3 Replication A. requires that a phosphodiester bond of the incoming dNTP be hydrolyzed in order to be added to the growing chain. B. uses 5' to 3' polymerase activity to synthesize one…
- QUESTION 22 Choose all the experiment(s) from the list below that demonstrated that RNA is involved in a transfer step between DNA and protein. O A. pulse chase experiments using radioactive deoxyribose O B. Brenner and Crick's characterization of frameshift suppressor mutations O C. analysis of the burst of RNA synthesis after bacteriophage infection of E. coli O D. pulse chase experiments using radioactive uracil bases O E. the Meselson Stahl experimentQUESTION 4 Short tandem repeats (STR) profiling is based on O A. the fact that many foods are being genetically modified and this test allows food health officials to identify the transgenic ones. O B. the fact that you can clone mammals through fusion of one somatic (non-sex) cell with an egg cell whose nucleus has been removed oc the fact that one strand of DNA can be turned into millions of identical copies by a process that heats and cools DNA and builds it using DNA polymerase and primers. the fact that people's DNA is filled with short sequences, like "TCAT" that are found in different numbers in each person. OD.QUESTION 21 Consider the following template strand of DNA: AAT TCA CCC 3' 5' The mRNA made from this strand would be: UUA AGU GGG (from 5' to 3') The amino acid sequence from this strand would be: (from N to C. Use the 3 letter code with dashes between each) On your handwritten portion draw the chemical structure of this peptide
- QUESTION 17 OL NEere interested in generating a PCR amplicon including the bracketed sequence below. Which of the following sequences would be canen hybridizing (annealing) with the target AND would also serve to generate a copy of the bracketed region of interest? 5'-AATCGT[AGCAGCAGCAGTGGCT]A AGCT-3 3' -TTAGCA[TC GTC GTC GTC ACC G A] TTCG A - 5' 3-TTAGC-S S-AATCG-3 OSAAGCT-3 5-AGCTT-3 5-GCTAA-3 5-TCGAA-3 QUESTION 18 Vhich of the following is/are true regarding the enzvme PRIMASE? Save and Submit to save and submit. Click Save All Answers to save all answers.Question 14 Friedreich's ataxia is a rare inherited disease that causes nervous system damage and movement problems. It usually begins in childhood and leads to impaired muscle coordination (ataxia) that worsens over time. Friedreich's ataxia is caused by an insertion of several copies of a three nucleotide sequence in a gene called FXN. Which genetic testing method would be most appropriate for testing for Freidreich's ataxia? O PCR with gel electrophoresis O PCR with conventional sequencing O PCR with SNP-chip O PCR with whole-genome sequencingQUESTION 1 Human ribosomes can translate the SARS-CoV2 genome because: it is reverse transcribed into a double stranded DNA version of the genome it is the equivalent of an mRNA it is turned into an mRNA by a virus-encoded enzyme Viral ribosomes translate the SARS-COV2 genome, not human ribosomes O O O O