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Virus-explorer-worksheet (1) 3

This activity guides students through the Virus Explorer Click and Learn, helping them explore viral diversity, structure, characteristics. Students analyze key terms, abbreviations, and features like viral envelopes deepen understanding of viruses.

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    h Biolnicractive Student Handout Click and Learn y/rus Explorer INTRODUCTION This handout complements the Click and Learn "Virus Explorer" developed in conjunct ion withthe 201E documentary, Spillover: Ziko, Ebola & Beyond (htt p ://www.h hmi.Drg/biointeract ive/virus-expio rer PROCEDURE Follow the instructions as you proceed through the Click and Learn, and answer the questions in the spaces provided. 1. Let's review. Click on the "About" tab at the bottom. Read the information and list lour (fl) ways in which viruses can differ from each other. 2. This interactive uses several abbreviations. Fill In what each abbreviation stands torin the table bel ow . Abbreviation Description nm Nanometer bp Base ss Single . Stranded ds Double - Strangled 3. Close the "About' window, and locate the i next to each viral characteristic tab across the top. Click on these icons and answerthe questions below associated with each viral characteristic. a. Envelope: Not all viruses have an envelope. If a virus hasthis outer layer, explain how it forms. If a virus had this outer layer, * would form by from the tx»i cell. b. Structure: What determines the shape ot the capsid, or core? determines the caps Id/coce Is the individual proteins

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    nh Hfolnteractlve Click and Learn Virus Explorer Student Handout c. Host(s|: From the vinjs’ perspective, why is the host important? The host Is Inportart because it allows rhe virus io mate repticas of itself. d. Genome Type: Viral genomes may vary by four characteristics of their genetic information. What are they? TN‘y are nude acid rxjniber strand 1 , from IN ■ >x lol at id. polurity, ,,nd itructure e. Transmission: Define the terms "vector" and "zoonotic." Vector An organism that transfers viruses fnom one host to another Zoonotic. A vtrus irarfiferred from a veritable aunwl to humins f. Vaccine: What isone advantage ot being vaccinated against a particular virus? The one advantage a va - m e has on sot eone is they m ;<eyou in-une to ?. p.sr r :iar virus 4. Virus Scavenger Hunt: Use the home page of the Virus Explorerand the various viral characteristic tabs across the top to answer the questions below. a. What is one diHe recce between the rabies virus andthe influenza virus? The rabies virus causes aggressiveness when? irifbuenr.i does not b. Of the nine viruses shown, which is the only onethat infects plants? TMV virus rs the onp out of 9 fhar Infects plants c. What are three characteristics that adenoviruses, T7 virus, ard papillomaviruses have in common? 3 charactEfisuci trial fhese viru.es have m common are ira'.they are all numerous, included in scientific research, a nd th&r structures are rcosanedrai d. Recently, Zika virus has been in the news. Treatment of it is ot particular concern. Why? Zite is a big concern because ft affects pregnant women and their offspring, causing their cnildrc-i so have abnorrralities wttr their body pars along wrth other defects e. Which two viruses infect all the vertebrates included in the interactive? The two viruses that are interactive are the adenovirus and the papiHomavirus, f. Qf the nine viruses shown, which is the only one that infects bacteria? TheT7 vius is the virus showmthat infects bacter-a.

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