Virion - Study guides, Class notes & Summaries

BIO 390 Exam 2 Questions With 100% Correct Answers Virus - answerLatin for poison (Pasteur) Not living Not cellular Obligate intracellular parasite - answerPerform no metabolism Can not freely reproduce No protein synthesis Carry no or few enzymes Naked virus (non-enveloped virus) anatomy: - answerGenetic material (DNA or RNA) Capsid-protein coating (composed of capsomere proteins) Enveloped virus anatomy: - answerGenetic material (DNA or RNA) Capsid Envelope - phospholipid bilayer ...

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 ...

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...

Microimm 2500: Virology Exam Questions With Verified Solutions Measles - answervirus that is transmitted in aerosols through coughs/sneezes - mostly eradicated in Canada due to vaccination - still present in SA and Africa Endogenous Viral Sequences - answerviral genetic sequences from infections that occurred that integrate into our own genetic material - no longer infectious Intrinsic Defenses - answerphysical barriers like skin/sweat that keep viruses from entering our body Polydnavi...

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 ...

Microimm 2500: Virology Exam Questions With Verified Solutions Measles - answervirus that is transmitted in aerosols through coughs/sneezes - mostly eradicated in Canada due to vaccination - still present in SA and Africa Endogenous Viral Sequences - answerviral genetic sequences from infections that occurred that integrate into our own genetic material - no longer infectious Intrinsic Defenses - answerphysical barriers like skin/sweat that keep viruses from entering our body Polydnavi...

The growth of viruses in a culture is described as a one- step curve, because - Answer virion numbers show no increase during intracellular replication and can only be counted after the virions burst from the host cell A virus that kills its host is said to be - Answer lytic Bacteriophage have a ______ complex structure than animal viruses, because ______. - Answer More/ the bacteriophage must penetrate the peptidoglycan cell wall

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...

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...

What kind of cells can viruses infect? ~~> viruses infect every type of cell, including bacteria, algae, fungi, protozoa, plant, and animals Are viruses alive? ~~> two sides of the debate: 1. since viruses are unable to replicate independently from the host cell, so no, not alive 2. even though viruses do not exhibit most of the life processes of cells, they can direct them, so more than inert (lacking strength/ability to move) and lifeless molecules viruses are better desc...