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Critical Thinking Work Alikes Page 19

Name _____Tionne______________________ Date ______________________ Class ________Viruses and Bacteria – Critical Thinking“Work-Alikes”In the space provided, write the letter of the term or phrase that best describes how each numbered item functions. ___b__ 1. virus envelopea. security guards get sick and die___a__ 2. bacteriophageb. door key__c___ 3. HIV infectionc. a rumor being spread among people___d__ 4. influenzad. a hypodermic needleCause and EffectIn the space provided, write the letter of the term or phrase that best matches each cause or effect given below.5. viruses do not grow, do not havehomeostasis, and do not metabolize_______a_____________a. lysogenic cycle6. __________b__________host cell not destroyedb. specificity of viruses7. escape of fragments of host cell genes________d____________c. resistant bacteria survive andreproduce8. ______________c______resistance to antibioticsd. they are not aliveTrade-offsIn the space provided, write the letter of the bad news item that best matches each numbered good news item below.

Copyright © by Holt, Rinehart and Winston. All rights reserved.Holt Science: Biology7Critical Thinking WorksheetsLook-AlikesIn the space provided, write the letter of the term or phrase that best describeshow each numbered item looks.______1.cell membranea.hot dog with a maze inside______2.mitochondrionb.water balloon______3.proteins in cell membranec.sandwich______4.Golgi apparatusd.stack of pancakes______5.central vacuolee.icebergsWork-AlikesIn the space provided, write the letter of the term or phrase that best describeshow each numbered item functions.______6.ciliaa.welcoming committee______7.cell membraneb.boat oars______8.ribosomec.gate keepers______9.receptor proteinsd.protein factories______10.transport proteinse.security guardCause and EffectIn the space provided, write the letter of the term or phrase that best matcheseach cause or effect given below.CauseEffect11.cell theory12.prokaryote invaders13.phosphorus and two fatty acids make up molecule14.cell proteins have polarand nonpolar regions15.particle makes contact with a receptor16.rough ERNameClassDateCell Structure and FunctionSkills Worksheet

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