Retroviruses - Study guides, Revision notes & Summaries

NU 545 UNIT 7 TEST STUDY QUESTIONS AND ANSWERS 100% CORRECT | LATEST UPDATE 2025 In somatic cell gene therapy, what type of vector is most commonly used to alter a specific set of an individual's somatic cells? a. Virus b. Bacteria c. RNA polymerase d. Recombinant DNA - ANSWER ANS: A In somatic cell gene therapy, a vector is used to carry a normal copy of the mutated gene into the individual's cells. These vectors are usually viruses, such as retroviruses, lentiviruses, or adenov...

Virology Practice Test 32 Questions with Verified Answers The difference between "simple" retrovirus and "complex" retrovirus is? A) "Simple" retroviruses do not cause disease B) "Complex" retroviruses contain additional genes called accessory genes C) "Simple" retroviruses do not cause tumors D) "Complex" retroviruses carry viral oncogene E) Only "complex" retroviruses produce provirus - CORRECT ANSWER B, E What is the first biosynthetic event that occurs in cells i...

MODULE 12 - Integrated Body Systems > PATHOLOGY – Neoplasia/ Exam Review questions and answers, Graded A+/ verified. 1 Q What are the five oncogenic retroviruses of veterinary significance? A Feline leukaemia virus (FeLV) Bovine leukaemia virus (BLV) Avian leukosis virus Feline immunodeficiency virus (FIV) Jaagsiekte sheep retrovirus (JSRV) 2 Q What is the main oncogenic herpesvirus of veterinary significance? A Gallid alphaherpes virus 2 3 Q Which neoplasias are caused ...

HUMAN IMMUNODEFICIENCY VIRUS INFECTION QUESTIONS AND CORRECT ANSWERS GRADED A++ HIV can be transmitted as a result of contact with infected blood, semen, vaginal secretions, or breast milk. Transmission of HIV occurs through (3) sexual intercourse with an infected partner exposure to HIV-infected blood or blood products perinatal transmission during pregnancy, at delivery, or through breastfeeding Variables that influence whether infection will be established after an exposure include ...

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...

FAU BROOKS BIODIVERSITY UNIT 1 EXAM LATEST UPDATE GRADED A+ T or F: We have proven how life arose? FALSE ! Haldon-Oparin Hypothesis life arose spontaneously from methane, ammonia, water & energy sources Milley-Urey experiment Tested Haldane-Oparin hypothesis Contemporary scientist think that methane & ammonia were likely ABSENT in early atmosphere Organic molecules: CO, CO2, H2 (not much), N2 and H2O Panspermia idea that organic molecules were brought to earth by meteorites/aster...

Fundamentals of Molecular Virology 2nd Edition by Acheson TEST BANK Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following is an enzyme that most RNA viruses encode in their genome? a) DNA-dependent-RNA-polymerase b) RNA-dependent-RNA-polymerase c) DNA-dependent-DNA-polymerase d) DNA-dependent-RNA-polymerase e) RNA-dependent-protein-synthetase Answer: b 2) Which of the following terms describes the prote...

BIO 520 Chapter 21 Reading Assignment Questions with 100% Correct Answers The upper respiratory tract includes which of the following structures? A: Nasal cavity B: Epiglottis C: Oral cavity D: Trachea E: Bronchioles F: Bronchi G: Alveoli H: Larynx I: Sinuses J Pharynx - answerA: Nasal cavity B: Epiglottis C: Oral cavity H: Larynx I: Sinuses J Pharynx Which four of the following are considered normal microbiota of the respiratory tract? A: Staphylococcus aureus B: Candida alb...

WGU Clinical Microbiology Final Exam Rated A+ Describe the role of restriction enzymes in bacteria. ️️ Restriction enzymes cut DNA at specific sequences, helping bacteria defend against invading viral DNA by degrading foreign genetic material. What is a facultative anaerobe, and how does it adapt to varying oxygen levels? ️️ A facultative anaerobe can grow with or without oxygen, using aerobic respiration when oxygen is available and switching to anaerobic respiration or ferm...

1. Question: Reverse transcription is directed by retroviruses utilizing; 2. Question: After the virus infects, it goes on to incorporate its RNA into the host cell DNA to become this. 3. Question: In this type of bacterial shape, it has the appearance of a comma. 4. Question: What are plasmids capable of? 5. Question: When is a genetic mutation suspected? 6. Question: The cell wall of a Gram positive bacteria was removed to result in the formation of a; 7. Question: What happens when a ba...