You have recently isolated a virus associated with a human disease. The virus particles are spherical, ~100 nm in diameter, and possess an envelope. Would you expect to find glycoproteins in the viral envelope? yes Would knowing that the particles are spherical mean that they are built with icosahedral symmetry? [Select]

You have recently isolated a virus associated with a human disease. The virus particles are spherical, ~100 nm in diameter, and possess an envelope. Would you expect to find glycoproteins in the viral envelope? yes Would knowing that the particles are spherical mean that they are built with icosahedral symmetry? [Select]

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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4. Shown below is the structure of the anti-retroviral drug AZT. HOCH, H 3 N₂ HN AZT H 2 H O CH₂ a) What nucleotide does the drug resemble? b) Describe a plausible mechanism for how this drug would inhibit the growth of HIV. c) Given what you know about DNA replication, why does the drug kill the virus but not people?
#31,32,35
You have just isolated the covid-19 virus. Analysis of its genome reveals that it is composed of a single stranded RNA molecule containing 24% adenine. Based on this information, what would you predict the % cytosine to be? (a) 24% (b) 26% (c) 48% (d) 52% (e ) Cannot be determined from the information given
RNA was extracted from certain virus and found to contain 35% cytosine. With this information, is it possible to predict what percentage of the bases in virus are adenine? If so, what percentage? If not, why not?
Researchers have recently discovered giant viruses that are 1 μm in length, the same size as some bacterial cells. The genomes of these viruses contain over 2 million base pairs of DNA, which is more DNA than is found in many bacterial genomes, and their genomes contain hundreds—in some cases, thousands—of genes. Given these observations and what you know about viruses, should viruses be considered living or nonliving? Give arguments for and against considering viruses as living organisms.
A virus that has which type of genome must carry replicase within the viral particle? (choose all that apply) ds DNA ss (+) DNA ss (–) DNA ss (+) RNA ss (–) RNA Which viral type has a genome that can be directly translated? (choose all that apply) ds DNA ss (+) DNA ss (–) DNA ss (+) RNA ss (–) RNA