What are virions - Study guides, Class notes & Summaries

StraighterLine BIO250 - Microbiology Final Exam Study Guide | Questions and Correct Answers | Latest Update 2024/2025 | 100% PASS What is a Transforming Infection? - Answer -Virus that alters cell DNA, leading to cancer What is a lysogenic infection? - Answer -Phage DNA is incorporated into host genome and is passed on to subsequent generations What is a Lytic Bacteriophage Infection? - Answer -Host cell gets so packed with viruses that is lyses (splits) open and releases mature virio...

What is a Transforming Infection? Virus that alters cell DNA, leading to cancer What is a lysogenic infection? Phage DNA is incorporated into host genome and is passed on to subsequent generations What is a Lytic Bacteriophage Infection? Host cell gets so packed with viruses that is lyses (splits) open and releases mature virions What are the three principle purposes of cultivating viruses? 1.) Isolate and ID viruses in clinical specimens 2.) Prepare viruses for vaccine...

Midterm Exam: MN576/ MN 576 (Latest 2023/ 2024) Questions and Verified Answers| Grade A| 100% Correct Q: What are some characteristics of HIV Answer: •Lentivirus •Subgroup of retrovirus •Contains enzyme reverse transcriptase •Single stranded •Positive sense •Enveloped •RNA virus •Defined as a disease in 1981 Q: What are some differences between HIV 1 and HIV 2 Answer: 1. HIV 1 Group M •Dominant form •Responsible 99% for the global HIV epidemic ...

1. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphylococcus d. Streptococcus e. Spirilla 2. The study of the immune response to infection caused by microorganisms is a. Hypersensitivity b. Epidemiology c. Immunology d. Morbidity e. Geomicrobiology 3. What is the maximum number of electrons in the first energy shell of an atom? a. 2 b. 4 c. 8 d. 18 e. 32 4. The movement of molecules from an area of high concentration to an area of l...

Microbiology Chapter 6 Exam - Acellular Pathogens Test || Questions & Answers (Graded A+) Microbiology Chapter 6 Exam - Acellular Pathogens Test || Questions & Answers (Graded A+) Acellular Pathogens - "Minimalists" • Classes of acellular pathogens include what four types? - ANSWER - Viruses (biggest class) Viroids Virusoids Prions Characteristics of Viruses - ANSWER - (A) Infectious, acellular pathogens; tiny (need electron microscope) (B) Obligate intracellular parasites with...

Viruses, like many good pathogens, have adapted to survive in their hosts. Which of the following scenarios would be MOST favorable to viral transmission and long term survival of the viral species? A. Virus X enters a host cell, produces many progeny viruses (virions), and lyses the host cell. B. Virus X enters the host cell and merges viral DNA with the host DNA so that the virus is copied into all progeny host cells. C. Virus X enters the host cells, merges viral DNA with the host DNA un...

Microbiology D311 - OA Prep 2025 Guaranteed Success What is the main difference between Gram-positive and Gram-negative bacteria? ️️ Gram-positive bacteria have a thick peptidoglycan layer in their cell wall that retains the crystal violet stain, while Gram-negative bacteria have a thin peptidoglycan layer and an outer membrane that does not retain the stain. Describe the process of microbial respiration. ️️ Microbial respiration is the process by which microorganisms convert...

CMMB 421 Final Exam 2024 | Actual Questions and Answers| Certified Quality Graded A+ How many coronaviruses infect humans?Seven. How many genera are there based on genome homologies among coronaviruses?Three Can you name the two subfamilies of coronaviruses based on genome homologies?AlphaCoV and Beta-CoV. What are the names of the three coronaviruses responsible for severe respiratory illnesses?SARS-CoV-1, SARS-CoV-2, MERS-CoV. Besides respiratory illnesses in humans, what are some ...

1. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphylococcus d. Streptococcus e. Spirilla 2. The study of the immune response to infection caused by microorganisms is a. Hypersensitivity b. Epidemiology c. Immunology d. Morbidity e. Geomicrobiology 3. What is the maximum number of electrons in the first energy shell of an atom? a. 2 b. 4 c. 8 d. 18 e. 32 4. The movement of molecules from an area of high concentration to an area o...

Virology Exam 1 (Columbia - Racaniello) Exam Questions and Answers 1. How many viruses do we carry at any given time? Why don't these make us sick? - Answer-- most viruses just pass through us - non-human viruses - Viruses can be beneficial (thermotolerant fungi) - Strong immune system! How can viruses be beneficial? Why do we care that they comprise the most biodiversity on the planet? -Answer-Co-evolution, thermotolerant fungi, enteric virus replaces function of commensal bacteria W...