Reverse transcriptase - Study guides, Class notes & Summaries

VIROLOGY MCQs Which of these viruses can be treated with an inhibitor of reverse transcriptase? (choose more than one of the following statements) a) HIV 1 b) HIV 2 c) HBV d) HCV e) HCMV - correct answer Regarding the viruses that evolve according to the quasispecies model (e.g. HIV, HCV), viral variants occur (indicate the wrong statement) a) After the presence of mutations b) After phenomenon of reassortment c) After selective pressure of the host (immune response, drugs) d) Af...

Enveloped viral membranes are generally ______________ with associated virus-specific ______________ Correct Answer-Lipid bilayers; proteins Reverse transcriptase is an: Correct Answer-RNA-dependent DNA polymerase Which of the following is true regarding viral attachment proteins (VAP)? Correct Answer-They interact with host cell receptors, can be composed of proteins, carbs or lipids and they define the host range of the virus Restriction is: Correct Answer-A general host mechanism to ...

Individuals with Down Syndrome or Klinefelter Syndrome have: A. An extra chromosome B. Aneuploidy C. Had nondisjunction occur in the sex cells of their parents - Answer-All the above A metastatic malignant tumor is one that: A. Has spread to other tissues or organs B. Has clean boundaries between the tumor and tissue C. Is at Stage 4 - Answer-A. Has spread to other tissues or organs C. Is at Stage 4 A new antibiotic is developed that at first is highly effective against a broad range o...

VIROLOGY MCQs Question and answers already passed 2024 Which of these viruses can be treated with an inhibitor of reverse transcriptase? (choose more than one of the following statements) a) HIV 1 b) HIV 2 c) HBV d) HCV e) HCMV - correct answer Regarding the viruses that evolve according to the quasispecies model (e.g. HIV, HCV), viral variants occur (indicate the wrong statement) a) After the presence of mutations b) After phenomenon of reassortment c) After selective pressure o...

Naplex Practice Exam Questions with 100% Correct Answers Which of the following medications used in the treatment of Alzheimer's disease inhibits glutamate from binding to NMDA receptors? Memantine Truvada is a combination product containing which of the following nucleoside reverse transcriptase inhibitors? Tenofovir + emtricitabine An order is received for 1.5 liters of D5W, to be infused over 24 hours. If the IV administration set is calibrated to deliver 20 gtts/mL, how many dr...

[WARNING: INVALID] 1. What does this experiment tell us? Choose ALL that apply. A. Both B cells and T cells can produce antibodies. B. Both B cells and T cells have memory functions. C. Both B cells and T cells are required for an antibody response. D. B cells are required for an antibody response in the absence of T cells. E. B cells and T cells are co-localized and produce synergetic effects in bone marrow and thymus. correct answersanswer: c type: x 2. In 2090, a human popula...

GMS6121 Exam 3 Questions with Answers Electron microscopy - Answer-Allows visualization of virus particles in lesions Laborious, but easy to look at Immunofluorescence - Answer-Uses virus-specific antibody to detect viral protein Usually in tissue biopsy or cells from fluid Easy, gold standard ELISA - Answer-Uses virus-specific antibody to detect virus particles or proteins in fluid Lateral flow assay - Answer-Rapid ELISA essentially If analyte is present, it complexes wit...

gene - Answer-unit of inheritance that programs the amino acids of a polypeptide chain monomers: DNA and nucleic acids two types of DNA - Answer-DNA and RNA gene expression - Answer-DNA directs its own replication, controls protein synthesis flow of genetic info - Answer-DNA -> RNA -> Protein DNA backbone made of - Answer-sugar and phosphate complement base pairing - Answer-A w/ T and G w/ C phosphodiester linkage - Answer-links nucleotides, made of phosphate group that links the su...

USABO Practice Exam Questions And Answers What enzyme does HIV use to convert RNA to DNA? - ANS Reverse Transcriptase The promoter region of a prokaryotic gene is located ______ to the gene and is the binding site for ______. - ANS 5'...RNA polymerase Which of the following is TRUE of prokaryotes? I. Simultaneous transcription and translation II. Presence of intron sequences III. Circular DNA - ANS I and III only Integral transmembrane proteins are proteins imbed...

Cells in may act as a reservoir in which HIV can be relatively protected from antiviral drugs. the lungs the central nervous system the thymus gland bone marrow HIV may persist in regions where the antiviral drugs are not as effective, such as the CNS. What is the role of reverse transcriptase in HIV infection? It transports the RNA into the cell nucleus. It converts single DNA into double-stranded DNA. It is needed to produce integrase. It converts RNA into double-stranded...