Virion Studienführer, Klassennotizen & Zusammenfassungen

A virion (viral particle) is composed of - ANSWER protein, either RNA or DNA, and possibly lipid Capsid - ANSWER the protein coat of a virion it protects the nucleic acid from enzymes and toxic chemicals in the environment Enveloped viruses - ANSWER Contains a lipid bilayer Acquire their enveloped from the cytoplasmic membrane of the host cell Acquire the envelope from the membrane of an organelle in eukaryotic infections Non-enveloped viruses - ANSWER viruses that don't contain an envelo...

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction - correct answer B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instea...

Virology and Mycology Viruses - correct answer Obligate intracellular parasites Require living mammalion cells to grow and multiply They use the cells replication structures to reproduce They are released by buddig from, leaking out of, or rupturig the host cell Virology Labs - correct answer Keep several different types of cell cultures to grow viruses for identification Require a significant amount of lab space Most labs do not provide full service Usually provide rapid virology te...

GMS 6121 Exam 1 Questions and Answers Rated A+ The 4 things that viruses lack (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 ________. nucleic acids and a capsid; an envelope A ________ is a complete, infectious virus particle. virion Naked c...

Acellular Infectious Agents Exam (2024)- Questions & 100% Correct Answers Acellular Infectious Agents Exam (2024)- Questions & 100% Correct Answers Acellular Infectious Agents - ANSWER - viruses viroids prions Viruses - ANSWER - most common microbe in the world genetic element with either DNA or RNA, but not both (except for mimivirus and cytomegalovirus) obligate requirement to replicate inside a living cell has an extracellular state (virion) life forms but not cell-based Mimiv...

APOLLON VIROLOGYA mature virus particle containing a nucleic acid core surrounded by a protein coat, with or without envelope, is called a: virion viruses are characterized by the presence of: DNA & RNA Brainpower Read More what is the largest DNA virus? poxvirus which of the following is the smallest RNA virus? enterovirus what is the first step in the replication cycle of a virus? attachment and penetration the virus capsid morphology is: helical or icosahedr...

WHEN WAS SMALLPOX TRANS FROM EUROPE TO AMERICAS - 1519 A.D WHAT IS THE MOST COMMON CAUSE OF ACUTE INFECTION IN HUMANS? - VIRUS WHAT IS A VIRUS OUTSIDE THE CELLS CALLED? - VIRION WHAT ARE 2 PHASES FOR VIRUS AS AN ORGANISM - 1) OUTSIDE THE CELLS 2) AND THE VIRUS INSIDE THE INFECTED CELL ARE VIRUS CELLULAR ORGANIM? - NO Why is severe viral disease bad for the host and th virus - the goal of the virus is to, live and rpelicate within an organism, but if the organism dies then they die aswell ...

Virology Exam 1 (Columbia - Racaniello) Exam Questions with Correct Answers 2024/2025 Latest Update 1. How many viruses do we carry at any given time? Why don't these make us sick? - 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? Co-evolution, thermotolerant fungi, enteric virus replaces function of ...

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. - ANSWER virion Naked capsids are ______ to drying...

Concerning antigen-antibody reactions, the prozone effect causes which of the following results? A. False positive B. False negative C. No reaction D. Mixed field reaction correct answer: B. False negative The following characteristics are applicable to Interferon-Gamma Release Assays (IGRAs) except: A. Can be used in patients with active tuberculosis disease symptoms B. Preferable for patients who have received a bacillus Calmette-Guérin (BCG) vaccination C. Can be used instead ...