Reverse TranscriptionBlack-viral genomeIRNA(A)Green-tRNA from hostR US PBSPPTRed-minus strand DNA(-)ssDNA(-) Strand Synthesis(B)Blue-plus strand DNAPPTU3First Strand Transfer(C)PUGPPTU3 R(-) Strand SynthesisPPTUS R US(D)HIV ppt:PBSPPT5'-AAAAGAAAAGGGGGG-34(-) & (+) Strand Synthesis(E)PPT(+) Strand SynthesisPPTUS R US(F)Second Strand Transfer(+)ssDNAPBS(G)U3 R USPBS(H)Strand displacement synthesisUS R US PBSPPTU3 R USUS R US PBSLTRPPTLTRBasu et al., Virus Res. 2008, 134:19-38.Use the image above to answer the multiple choicequestion: If an infection with HIV is carried out with avirus that has a mutations that eliminates the RNase Hactivity of reverse transcriptase, which of the followingwould be observed?No viral DNA would be observedComplete viral double stranded DNA would be observed.Only a small piece of minus sense DNA would be observedNearly completed minus sense but no plus sense DNA wouldbe observed.Nearly full length minus sense DNA but just a small piece ofplus sense DNA would be observed.

In an HIV infection caused by a virus with mutations that eliminate reverse transcriptase's RNase H…

Answered: Reverse Transcription Black-viral…

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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5. If a virus has a negative-sense RNA genome, what enzymatic activity (if any) will be found as part of the virion structure and what will be the first step in expression of the viral genome? 6. Influenza viruses gain entry into their host cells by attachment to N-acetylneuraminic acid residues on the cell surface, followed by receptor-mediated endocytosis. Predict what effect the treatments shown in the table below will have on (i) the attachment of an influenza virus to a susceptible host cell, and (ii) the subsequent uncoating of influenza virus in the same cell. Use a “+" to indicate that the event will take place or a “-" to indicate that it will not take place. Note: In each case it is assumed that the events would be occurring in the same cell that has undergone the treatment. Treatment Attachment? Uncoating? Treatment of the host cell with neuraminidase Treatment of the host cell with NH,Cl, which prevents lowering of the lysosomal pH Treatment of the host cell with…
BONUS: Why can't RNA viruses use cellular RNA Polymerase to copy their genetic information? Because cellular RNA Polymerases are O RNA Dependent RNA Polymerase O RNA Dependent DNA Polymerase O DNA Dependent RNA Polymerase O DNA Dependent DNA Polymerase prt s home
12
5'– ATGGCGAGGCGGCAGCTGTTATGGTGA – 3' In the sequence above, suppose that the 20th nucleotide of the template (an T) was mutated to a A. (A) Now, what is the mRNA sequence? (B) What is the amino acid sequence of the translated protein? (C) Would this protein be able to carry out its function?
K F3 : 3 E D с WE Which letter indicates a codon? F4 $ 4 A Q Search R F mRNA F5 40-00 % 5 UAC (Met Gly T G GGG AUGCCCACG F6 A 6 V B 20 Y F7 H & 7 1 7 F8 U 4 144 * 00 8 99+ J 1 UAG 8 $325 F9 1 5 ( 9 Alt N Мо G F10 9 K 2 O < 6 ) 0 F11 1 P* L 3 A. - 1 F12 ^03 ; { [ Ctrl = 11 ? + 1 5:32 PM 4/7/2023 1 Backspace ← Home Delete Enter Shift PgUp PgDn .
8. ----ATTATA-- -ТААТАТ-- Fill in the polarity of the strands? Which strand is the coding strand? Which strand is the template strand? What is the direction of transcription? 9. You have a nucleic acid with the following percentages of bases 1. A=35% G=32% T=8% C=25% II. A=20% G=32% T=18% C=30% III. A=23% G=14% U=42% C=21% For the 3 nucleic acids above, determine whether it is single stranded or double stranded DNA or RNA 10. An RNA molecule has the following percentages of bases A=16% G=27% U=37% C=20% What would be the percentage of bases in the template strand of the DNA that contains the gene for this RNA?
(1) Give 3 differences between DNA and RNA (2) Give 2 similarities and 2 differences between transcription and replication (3) A DNA strand is 5' TAC ACG GTC TAA3' Write the RNA strand that could be made from the DNA strand. Indicate the 5' and 3' ends For each of the following, say whether they are DNA or protein Enhancer Transcription Factor Promoter RNA polymerase
6

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