Homework Answers
QUESTION 6
In this context, in virus such as adenovirus, polyoma virus and herpesvirus, the pre mRNA is cleavage and then the polyadenylation is accomplished by a cellular enzyme (host cell). So, the correct answer is D
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QUESTION 6 The poly (A) tall on the mRNA of herpes simplex virus is generated by...
QUESTION 39 The poly (A) tall on the mRNA of poliovirus is generated by which of...
QUESTION 39 The poly (A) tall on the mRNA of poliovirus is generated by which of the following mechanisms: A encoded in the genome B. a run of UUUUUUU causes the RNA-dependent RNA polymerase to stutter oc. added by the polyadenylation enzymes of the host cell D. stealing it from the host cell E poliovirus mRNAs do not have a poly (A) tail QUESTION 40 Eukaryotic ribosomes cannot translate polycistronic mRNAs. Poliovirus utilizes which of the following strategies to solve...
QUESTION 50 The mRNAs of which of the following viruses lack a poly (A) tail: O...
QUESTION 50 The mRNAs of which of the following viruses lack a poly (A) tail: O A. rabies virus OB, B19 parvovirus OC. herpes simplex virus D.varicella zoster virus O E. rotavirus QUESTION 51 What is the function of an IRES? O A. causes ribosomes to stutter B. causes RNA-dependent RNA polymerase to stutter C. allows DNA synthesis without a primer D. makes RNA resistant to endonuclease E. allows ribosomes to initiate translation without a cap group
QUESTION 99 Which of the following occurs during "leaky scanning: A. the ribosome will bind even...
QUESTION 99 Which of the following occurs during "leaky scanning: A. the ribosome will bind even in the absence of a cap group OB. the cell begins to rapidly lose fluids OC. the ribosome skips at least one AUG and begins at a subsequent AUG downstream D.ribosomes begin to stutter at a UUUUUUU sequence O E. RNA-dependent RNA polymerase begins to stutter at a UUUUUUU sequence QUESTION 100 Transcription and genome replication occur inside the capsid for which of the...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after delivery of the genome to the host cell? a poliovirus b) influenza c) retrovirus d) all of the above e) b and c of the above ONE or MORE of the following statements is correct. Using the key below, choose the appropriate answer: a) if only 1, 2, and 3, are correct b) if only 1 and 3 are correct c) if only 2...
QUESTION 67 The enzyme responsible for HIV mRNA transcription is: O A. virus encoded RdRp OB....
QUESTION 67 The enzyme responsible for HIV mRNA transcription is: O A. virus encoded RdRp OB. RNase OC. reverse transcriptase OD.virus-encoded DdRp OE. host-encoded DdRp QUESTION 68 The expression of the early genes of human papillomavirus directly results in which of the following: A. the cell dies, releasing the virus particles B.the cell begins to divide very rapidly C. initiation of transcription of the late genes D.the virus genome begins to replicate very rapidly OE. the cell becomes permissive for...
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b)...
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b) Epstein-Barr virus c) Influenza Virus d) Human immunodeficiency virus e) Human herpes virus 37) This virus has 8 nucleocapsids a) Rhabdoviridiae b) Orthomyxoviridiae c) Herpesviridiae d) Retroviridae e) Ebola 38) Which of these enzymes is necessary for the replication of a (+) strand RNA virus? a) RNA dependent RNA polymerase b) RNA-dependent DNA polymerase c) Reverse Transcriptase d) DNA dependent DNA polymerase e) DNA-dependent...
synergism Page 2 of 5 Rabibove love 18. The Spectrum of cells a virus can infect...
synergism
Page 2 of 5 Rabibove love 18. The Spectrum of cells a virus can infect is defined as the host mange. Which of the following viral pathogens has the widest host range? & Hepatitis B adsorbs to human liver calls & Poliovirus attaches to intestinal and nerve cells c Rabies attaches to several cells of many mammals a all the above C none of the above 19. In Persistent infections, the cell harbors the virus, which is not immediately...
LUROVE 19. In Persistent infections, the cell harbors the virus which is not immediately lysed. This...
LUROVE 19. In Persistent infections, the cell harbors the virus which is not immediately lysed. This condition can be lor weeks or the host's lifetimes several viruses are known to periodically reactivate and multiply. penulient infections includes & Marsles vins which may remain hidden in brain cells for many years & Herpes simplex virus which are cold sores and genital herpes c Herpes zoster virus which causes chickenpox and shingles a all the above & none of the above 20....
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a...
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a 3' poly-A tail (D) occurs in the nucleus (C) intron splicing (B) addition of a S' cap (E) occurs in the cytoplasm 26. Which of the following is involved in maintaining lysogeny in (A) PRE (B) PRM (C) PRI (D) PRO (E) all of the choices are correct Use the following diagram to answer questions 27-28. Each circle represents a DNA molecule and the...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
QUESTION 39 The poly (A) tall on the mRNA of poliovirus is generated by which of the following mechanisms: A encoded in the genome B. a run of UUUUUUU causes the RNA-dependent RNA polymerase to stutter oc. added by the polyadenylation enzymes of the host cell D. stealing it from the host cell E poliovirus mRNAs do not have a poly (A) tail QUESTION 40 Eukaryotic ribosomes cannot translate polycistronic mRNAs. Poliovirus utilizes which of the following strategies to solve...
QUESTION 50 The mRNAs of which of the following viruses lack a poly (A) tail: O A. rabies virus OB, B19 parvovirus OC. herpes simplex virus D.varicella zoster virus O E. rotavirus QUESTION 51 What is the function of an IRES? O A. causes ribosomes to stutter B. causes RNA-dependent RNA polymerase to stutter C. allows DNA synthesis without a primer D. makes RNA resistant to endonuclease E. allows ribosomes to initiate translation without a cap group
QUESTION 99 Which of the following occurs during "leaky scanning: A. the ribosome will bind even in the absence of a cap group OB. the cell begins to rapidly lose fluids OC. the ribosome skips at least one AUG and begins at a subsequent AUG downstream D.ribosomes begin to stutter at a UUUUUUU sequence O E. RNA-dependent RNA polymerase begins to stutter at a UUUUUUU sequence QUESTION 100 Transcription and genome replication occur inside the capsid for which of the...
Which of the following viruses depend on virion enzymes to start the virus replication cycle after delivery of the genome to the host cell? a poliovirus b) influenza c) retrovirus d) all of the above e) b and c of the above ONE or MORE of the following statements is correct. Using the key below, choose the appropriate answer: a) if only 1, 2, and 3, are correct b) if only 1 and 3 are correct c) if only 2...
QUESTION 67 The enzyme responsible for HIV mRNA transcription is: O A. virus encoded RdRp OB. RNase OC. reverse transcriptase OD.virus-encoded DdRp OE. host-encoded DdRp QUESTION 68 The expression of the early genes of human papillomavirus directly results in which of the following: A. the cell dies, releasing the virus particles B.the cell begins to divide very rapidly C. initiation of transcription of the late genes D.the virus genome begins to replicate very rapidly OE. the cell becomes permissive for...
36) Which of the following has been linked to cervical cancer? a) Human papilloma virus b) Epstein-Barr virus c) Influenza Virus d) Human immunodeficiency virus e) Human herpes virus 37) This virus has 8 nucleocapsids a) Rhabdoviridiae b) Orthomyxoviridiae c) Herpesviridiae d) Retroviridae e) Ebola 38) Which of these enzymes is necessary for the replication of a (+) strand RNA virus? a) RNA dependent RNA polymerase b) RNA-dependent DNA polymerase c) Reverse Transcriptase d) DNA dependent DNA polymerase e) DNA-dependent...
synergism
Page 2 of 5 Rabibove love 18. The Spectrum of cells a virus can infect is defined as the host mange. Which of the following viral pathogens has the widest host range? & Hepatitis B adsorbs to human liver calls & Poliovirus attaches to intestinal and nerve cells c Rabies attaches to several cells of many mammals a all the above C none of the above 19. In Persistent infections, the cell harbors the virus, which is not immediately...
LUROVE 19. In Persistent infections, the cell harbors the virus which is not immediately lysed. This condition can be lor weeks or the host's lifetimes several viruses are known to periodically reactivate and multiply. penulient infections includes & Marsles vins which may remain hidden in brain cells for many years & Herpes simplex virus which are cold sores and genital herpes c Herpes zoster virus which causes chickenpox and shingles a all the above & none of the above 20....
25. Which of the following is not true concerning eukaryotic mRNA processing (A) addition of a 3' poly-A tail (D) occurs in the nucleus (C) intron splicing (B) addition of a S' cap (E) occurs in the cytoplasm 26. Which of the following is involved in maintaining lysogeny in (A) PRE (B) PRM (C) PRI (D) PRO (E) all of the choices are correct Use the following diagram to answer questions 27-28. Each circle represents a DNA molecule and the...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
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