Icosahedral symmetry Study guides, Class notes & Summaries

Archaeal phylogeny - Answer Difficult to culter & PCR Genomes are recombinogenic classifications are frequently under revision Archaeal Cell Wall does not have peptidoglycan but has - Answer pseudopeptidogylcan The archaea Cell wall stains - Answer gram positive or negative the archaeal cell wall has NAG and no NAM but - Answer N-Acetyltasamunyronic acid T/F the archaeal cell wall is NOT susceptible to cell wall antibiotics - Answer True Archaeal lipids in bacteria have - Answe...

TEST BANK for Fundamentals of Molecular Virology 2nd Edition by Acheson. Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following terms describes the protein shell that surrounds the viral genome? a) capsid b) envelope c) matrix d) virion e) capsomere Answer: a 2) Which of the following would not be a nucleic acid form found in a viral genome? a) dsDNA b) ssDNA c) dsRNA d) ssRNA e) an RNA:DN...

Why is it important to study viruses? correct answer: 1) Most abundant biological entity 2) Viruses have shaped history 3) Viruses infect all organisms 4) Viruses can cross species Wha are the common properties unique to viruses? correct answer: 1) Simple structure 2) RNA/DNA genome in a protein coat (capsid) 3) Capsid symmetry 4) Acellular obligate parasites 5) Sometimes have another membrane layer (envelope) What are the structural characteristics used to classify viruses into f...

28) Viruses are not the only obligatory intracellular parasites. Describe how the replication of viruses is diferent than cellular organisms that replicate inside of cells, like chlamydiae and rickettsiae. Ans :: Unicellular parasitic cells that need to replicate inside of other cells do not replicate in the same way that viruses do. First of all, unicellular parasites have their own ribosomes to translate their mRNAs and do not use the host cell ribosomes, like viruses do. In addition they ...

TEST BANK for Fundamentals of Molecular Virology 2nd Edition by Acheson. Package Title: Testbank Course Title: Acheson 2nd edition Chapter Number: 01 Question type: Multiple Choice 1) Which of the following terms describes the protein shell that surrounds the viral genome? a) capsid b) envelope c) matrix d) virion e) capsomere Answer: a 2) Which of the following would not be a nucleic acid form found in a viral genome? a) dsDNA b) ssDNA c) dsRNA d) ssRNA e) an RNA:DN...

pseudopeptidoglycan - Answer component of archaea cell walls that is similar to peptidoglycan in structure/function but contains different sugars not susceptible to cell wall antibiotics N-acetylosaminuronic acid - Answer component of pseudopeptidoglycan found in cell walls of some types of Archae histone - Answer protein molecule around which DNA is tightly coiled in chromatin choanocyte - Answer Collar cells that line the body cavity and have flagella that circulate water and di...

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...

Micro Chapter 6 100% SOLUTION 2023//2024 3. Which is not true of viruses? A. They can exist in an intracellular or extracellular phase. B. They infect animal and plant cells only. C. They can be observed with an electron microscope. D. They are acellular. E. They replicate only inside host cells. - ANSWER B. They infect animal and plant cells only. 4. Which of the following is true of viruses in the extracellular phase? A. They possess many different enzymes. B. They can reproduc...

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...

Dimitri Ivanovsky Russian Botanist -- discovered disease was infectious (sap) Martinus Beijerinck Coined term "virus" to indicate non-bacterial Example of Viral Diseases Small Pox (Edward Jenner -- derived vaccine from cowpox) Poliovirus (causes poliomyelitis, paralysis, still exists all over the world mostly poorer nations ) What is hindering eradication of Polio -Cost of vaccine manufacturing -Inefficient supply -Limited vaccine available for supplementary immun...