Virion components Study guides, Revision notes & Summaries

Virology Review (ASCP) question answers Viruses (virions) They are the smallest known form of infectious disease-causing agents. Virus size Viruses are 1/10 the size of bacteria and 1/100 the size of eukaryotic cells. They cannot be observed with a light microscope. Virus genome Viruses of humans are composed of nucleic acid (DNA or RNA): ssDNA, dsDNA, ssRNA, dsRNA. Virion basic structure/components Enveloped/naked, capsid/capsomers, nucleocapsid, nucleic acid Nu...

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...

Dmitri Ivanovsky - Answer -studied Tobacco Mosaic Disease to find a bacterial cause for it -saw that bacterial agent was not removed by bacterial filters -mottling of leaves, stunted leaves, wrinkles Beijerinck - Answer -studied Tobacco Mosaic Disease and also saw that the agent was not removed by bacterial filters -coined the term "virus" for something so small that it must pass through the filters Loeffler & Frosch - Answer -former Koch students -studied infectious Foot & Mouth Dis...

Test Bank for Prescott's Microbiology 11th Edition by Joanne Willey, Kathleen Sandman & Dorothy Wood 9781260211887 Chapter 1-43 | Complete Guide A+. Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Obje...

Evolutionary Analysis Chapter 1 Notes 2023 updated to passHIV - correct answer An intracellular parasite incapable of reproducing on its own. It invades specific types of cells in the human immune system. The virus makes copies of itself by hijacking the host's cells and killing those cells off in the process. Virion - correct answer Extracellular form of a virus Coreceptor inhibitors - correct answer Bar HIV from entering host cells in the first place by preventing them from latching ont...

Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Objective: 01.05 The evolutionary relatedness of organisms is best reflected in phylogenetic trees. Learning Outcome: 01.02a Propose a timeline of the ori...

Test Bank for Prescott's Microbiology 11th Edition by Joanne Willey, Kathleen Sandman & Dorothy Wood 9781260211887 Chapter 1-43 | Complete Guide A+. Prescott's Microbiology, 11e (Willey) Chapter 1 The Evolution of Microorganisms and Microbiology 1) Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. Answer: FALSE Topic: Taxonomy of Microorganisms Bloom's/Accessibility: 2. Understand / Keyboard Navigation ASM Topic: Module 01 Evolution ASM Obje...

Virology Exam Questions And Answers 2023

GMS 6121 Exam 1 Questions and Answers 100% Pass The 4 things that viruses lack - Answer- (1) Enzymes that produce basic chemical building blocks (2) Enzyme systems that generate usable energy (3) Enzymes/tRNAs/ribosomes that direct protein synthesis (4) Membranes that concentrate and localize key molecules All viruses have _______ and _______, while only some viruses have ________. - Answer- nucleic acids and a capsid; an envelope A ________ is a complete, infectious virus particle. - A...

EXAMINATION TESTS OF MICROBIOLOGY VIROLOGY AND IMMUNOLOGY DISCIPLINE Basic bacteriology 1. Who first designed the microscope, saw and sketched microbes? A. Louis Pasteur B. Robert Koch C. Ilya Mechnikov D. Dmitri Ivanovsky E. Antonie Philips van Leeuwenhoek 2. Without which structures, bacteria cannot carry out their activities? A. Capsule B. Spors C. Volutine granules D. Nucleoid E. Flagella 3. What structure determines the shape of a bacterial cell? A. Cytoplasmic membrane B. ...