Ppt on viruses and bacteria ppt

Warm-ups #3 1.What do nitrogen fixing bacteria form on roots? 2.What is bioremediation? 3.What is the process in which bacteria break down dead plants.

#5 1.What is the DNA like in bacteria cells? 2.What are rod-shaped bacteria called? 3.What type of environment do bacteria need? 4.What are bacteria that contain chlorophyll called? 5.Where are methane making bacteria found? VIRUSES What are viruses? Virus – microscopic particle that gets inside a cell and often destroys the cell Smaller than bacteria Contain protein and genetic material Reproduce inside its host cell by/


BACTERIA & VIRUSES. BACTERIA PROKARYOTIC in 2 of 3 Domains 1. Eubacteria 2. Archaebacteria.

a more difficult time infecting cells many plant viruses have adaptations that allow them to enter damaged cells (small tear in a leaf means some cells damaged) VIRUSES / CELLS COPY FIGURE 19-11 FROM PAGE 483 OF BOOK ONTO PAGE 113 of notebook Draw a virus and a bacteria of your choice, label their parts and write a 2 paragraph reflection on what you have learned/


BACTERIA & VIRUSES Biology Objective 4.03 Assess, describe, & explain adaptations affecting survival & reproductive success in disease-causing viruses.

or measles- measles  Rhinovirus- cold Reproductive Cycles Lytic Cycle  Virus DNA enters the host cell  Hijacks host to make DNA and protein  Puts virus together  Cell bursts and releases virusVirus is active: OUTBREAK! Reproductive Cycles Lysogenic Cycle  Very similar to lytic cycle  Virus DNA is integrated into host cell  Cell eventually ruptures with new virus after several generations  Virus is dormant: HIDDEN! Our Immune System  Responsible for protecting/


Viruses, Bacteria & Diseases. Viruses Viruses are NOT cells. A virus is an infectious agent made up of: a core of nucleic acid (RNA or DNA) a protein.

first injecting its genetic material, indicated by the red line, into the host cells genetic instructions. Lysogenic Cycle Role of viruses All viruses act like parasites, harming the host cell. Viruses cause disease in every kind of organism—animals, plants, fungi, protists, and bacteria. HIV Measles Smallpox Influenza Chicken pox Common cold Herpes Warts Mononucleosis Mumps Some viral diseases HIV A retrovirus Infects human helper/


Prokaryotes 16.1-16.10. Phylogenic Tree of the Three Domains Prokaryote: Bacteria & Archaea.

of protein. Smaller than the strands of genetic info in viruses and contain no protein coat. Replicated using host cell machinery, like viruses Cause plant diseases: potato spindle tuber, avocado sunblotch, chrysanthemum stunt, and chrysanthemum chlorotic mottle Immune Response VACCINES: Defense Against Viral Diseases Vaccines = immunizations Made from weakened (attenuated) bacteria/viruses or parts (anitgens/ fragments) of bacteria/viruses Antigens of pathogen elicit immune response without you “getting/


Viruses & Bacteria Chapter 19 Pages 471 - 490. Compare/Contrast Prokaryotes (Bacteria)Eukaryotes SmallerLarger SimplerComplexHas genetic material No nucleusNucleus.

not considered to be living things because they are not made up of cells & cannot live independently. See Chart on pg. 483 Diseases Caused by Bacteria & Viruses Pathogens –Disease- causing agents. –Include bacteria & viruses that cause disease (not all bacteria). –Some live in and on the human body & help it perform essential functions –Chart on pg. 486 Bacterial Diseases Louis Pasteur – the first to show that/


Homework: Nov. 4, 2013 Study for Test 4: Viruses and Bacteria Test…..TOMORROW! Place Virus & Bacteria Study Guide on desk, to be checked for completion.

Study for Test 4: Viruses and Bacteria Test…..TOMORROW! Place Virus & Bacteria Study Guide on desk, to be checked for completion. Place Bacteria Structure Drawing on desk. Turn in Virus & Bacteria HW Handout Test 4: Viruses & Bacteria Test You and your table are all a team. You have a specific team color. You also have ziploc bags with answer key cards. I will post the question and you have 30 seconds to/


Viruses – Cellular Pirates Adenovirus showing Varicella zoster virus icosahedral shape causes chickenpox.

Bacteriophage Bacteriophages are viruses that infect bacteria - they are responsible for transduction in bacteria Viruses have two life cycles Lytic Cycle-Viruses-immediately infect the host cell Lysogenic Cycle - lay dormant in the cell Lytic Cycle Small Pox- Lytic Jenner developed first vaccine 1798 Lysogenic Cycle Herpes Simplex 1/Lysogenic Shingles-Lysogenic/ Chicken pox virus (herpes varicella-zoster) Retroviruses Contain RNA and not DNA - to be able/


VIRUSES, BACTERIA, and PLASMIDS https://www.msu.edu/course/isb/202/ebertmay/images/HIV%20virus.png

in cell…  Uses cell’s resources to make copies of viral genome and proteins  DNA viruses uses DNA polymerase  RNA viruses use RNA polymerase  Then, self-assembly of viruses AP Biology VIRAL REPLICATION in BACTERIA  Lytic Cycle: Viral DNA and proteins are made immediately upon entry. Results in lysis (rupture) of host cell  Lysogenic Cycle: reproduces genome without killing host  Viral genome is incorporated into host/


VIRUSES. What is a virus? “Virus” from the Latin “simply liquid, poison” Non-living organism Very very very small Most abundant Dependent on other living.

, poison” Non-living organism Very very very small Most abundant Dependent on other living organisms to survive Can infect plants, animals, bacteria, archaebacteria, protists and fungi Identification of a virus 1. Genetic material 2. Protective protein coat 1. Genetic Material Core of virus Can be either DNA or RNA Single-stranded or double stranded (ssDNA, ssRNA, dsDNA, dsRNA) Linear, circular or segmented 2. Protective/


Reg. Biology Book Pages NAME__________

? Give support! Consider the characteristics of life including reproduction, growth, cells, DNA, evolution, energy, and response to stimuli. Do viruses meet all these characteristics to be considered alive? 2. Structure: Capsid 3. How they infect bacteria: Viruses attaches to bacteria cell wall. Viral enzymes breakdown cell wall. Viruses punches through cell wall and injects DNA into baceria. Genetic material Tail Sheath Tail Fibers 8. Three Main Types/


Section 12.1. * 1928 British scientist – Frederick Griffith * Wanted to know how bacteria made people sick, especially pneumonia * Griffith isolated 2.

the mixture with enzymes that destroyed proteins, lipids, carbohydrates, and nucleic acids * RESULTS * Transformation still occurred * None of the molecules mentioned above could have been responsible since they were destroyed * Except…. When DNA was destroyed. Transformation could NOT occur * Studied Viruses, more specifically bacteriophages (virus that infects bacteria) * They wanted to know which part of the virus – the protein coat or the DNA core – entered/


WELCOME TO THE WONDERFUL WORLD OF BACTERIA & VIRUSES

are transferred Conjugation Endospores- thick wall around DNA can remain dormant until conditions are favorable VIRUSES Virus- Latin for “poison” Smaller than bacteria NOT living! Structure of a Virus Infectious agent made up of a core of nucleic acid (DNA or RNA) and a protein coat (capsid) Why not living? Viruses can’t replicate on their own- they must use a host’s cells Not made/


 How is natural selection related to antibiotic resistance in bacteria?  How do we contribute to this process?

or DNA)  Living/non-living  Reproduction  What is something that viruses and bacteria have in common?  Genetic information  How is natural selection related to antibiotic resistance?  Bacteria that are resistant to antibiotics survive and reproduce increasing in number.  Why do antibiotics destroy bacteria but do not cause harm to viruses?  Antibiotics disrupt the life process of bacteria and viruses do not perform these processes so they are not harmed by/


Chapter 19 – Bacteria and Viruses B $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Topic 1Topic 2Topic 3Topic 4 Topic 5 FINAL ROUND.

GAME ANSWER Topic 2: $200 Answer All viruses are made of proteins and a. nucleic acids. b. prophages. c. endospores. d. bacteriophages. BACK TO GAME Topic 2: $300 Question Bacteria that cause disease are called a. viruses b. endospores c. antibiotics d. pathogens BACK TO GAME ANSWER Topic 2: $300 Answer Bacteria that cause disease are called a. viruses b. endospores c. antibiotics d. pathogens BACK/


Bacteriophages ( a.k.a. Phages) Viruses that target bacteria Virus defining characteristics: parasitic entities Nucleic acid molecules protected by protein.

tech. e.g. Ligase (T4) Virus Basic Shapes : Spherical/icosahedralCylindrical/helical STRUCTURAL FEATURES OF VIRUSES : Genome : Either DNA or RNA only Circular or linear genome Single or doubles stranded Codes for Virus structural and replicative elements Capsid : Proteins in different / Viral mRNA Viral Protein Attacks host DNA Host DNA degraded Phage takes over the bacteria & turning it into a virus replication factory Many copies of Virus DNA are made 1 st Then the capsids are made Viral DNA is Stuffed /


Messana Science 8 Chapter 25. MICROBES = Microorganism, Microscopic Organism Bacteria Virus Parasite Fungi Found EVERYWHERE!!...water, surface of living.

. found in intestines) Eat other more harmful substances Help plants and animals release nutrients to be used by organism Digest food in your stomach Clean skin has about 20 million bacteria per square inch Youtube : //www.youtube.com/watch?v=3xRttWuf3wQ http://www.youtube.com/watch?v=4lmwbBzClAc Viruses VERY small! Composed of DNA or RNA & protein coat = CAPSID NOT A LIVING CELL/


VIRUSES, BACTERIA, and PRIONS https://www.msu.edu/course/isb/202/ebertmay/images/HIV%20virus.png

you go from RNA  DNA?  reverse transcriptase from RNA viruses  retroviruses REVERSE TRANSCRIPTASE  Found in RETROVIRUSES (RNA not DNA)  Uses RNA message to make DNA  Info flows in reverse RNA → DNA  Can take eukaryotic RNA message after introns have been removed and change it into a DNA sequence to be read by bacteria (no RNA processing in prokaryotes) AP Biology REVERSE TRANSCRIPTASE http/


Bacteria and Viruses Chapter 19. Classification Kingdom…Moneran Domain a) Euchaea b) Bacteria.

Bacteria and Viruses Chapter 19 Classification Kingdom…Moneran Domain a) Euchaea b) Bacteria Classification Characteristics What characteristics do you know so far???? Characteristics Prokaryote Found anywhere Classification Round coccus Rod bacillus Corkscrew spirillum Pathogenic Bacteria What is a pathogen? Only 20% bacteria cause disease Strep Throat MRSA Staph Infection STD Syphilis Tetnus 80% of bacteria are friendly Intestinal (mutualism) Decomposers Nitrogen Fixing Bacteria Bacterial Structure /


Bacteria and Viruses Ingle/Ebener Ingle/Ebener (R/H/M) (R/H/M)

a few types of cells Attachment is specific: virus can enter and reproduce in only a few types of cells Ex. HIV- WBC Ex. HIV- WBC Ex. Flu- Respiratory tract Ex. Flu- Respiratory tract Ex: tobacco mosaic virus- tobacco plant Ex. T4 Bacteriophage- virus that infects bacteria Ex: tobacco mosaic virus- tobacco plant Ex. T4 Bacteriophage- virus that infects bacteria Viral reproduction must reproduce inside of a host/


Viruses and Bacteria. Viruses A virus is a piece of hereditary material (RNA or DNA) that is covered by protein that infects and reproduces in living.

Viruses and Bacteria Viruses A virus is a piece of hereditary material (RNA or DNA) that is covered by protein that infects and reproduces in living cells. Viruses are not considered living things because they are unable to reproduce on their own: they require a host cell. Viruses are extremely small, much smaller than bacteria cells. Active Viruses: The virus enters a host cell and become active right away by causing the cell/


Jeopardy Bacteria Viruses Bacteria Lab Immune System Potpourri Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.

? $500 Answer from Bacteria What is the nucleoid region? $100 Question from Viruses True or False: A virus is a living cell? $100 Answer from Viruses What is FALSE? $200 Question from Viruses Viruses that infect the host immediately and the host show symptoms / in hot temperatures? $100 Question from Potpourri This is a virus that infects a bacteria. $100 Answer from Potpourri What is a bacteriophage? $200 Question from Potpourri HIV and herpes have this type of infection cycle. $200 Answer from Potpourri/


Pathogens – Bacteria & Viruses Protists & Fungi Too.

Protists & Fungi Too A Pathogen is…  Pathogen = Any disease causing agent. –Examples:  Bacteria: Streptococcus, Staphylococcus  Virus: HIV, Influenza (Swine Flu), The common cold  Protist: Plasmodium (malaria)  Fungi: Ringworm, Athletes Foot Viruses – Properties of Life Properties of Life Cellular organization ReproductionYes Metabolism Homeostasis AdaptionYes ResponsivenessYes Growth and Development NO Virus Size Viruses are SOOO Small!  Too small to see with a regular light microscope  Must use an/


Viruses and Bacteria Chapter 18 What is a virus? Considered non-living particles by most biologists because they: Considered non-living particles by.

Viruses and Bacteria Chapter 18 What is a virus? Considered non-living particles by most biologists because they: Considered non-living particles by most biologists because they: –Do not carry out cellular respiration –Do not grow and develop –Cannot replicate on their own Viruses are named after: Viruses are named after: –The disease they cause (poliovirus) –The organ they infect (adenovirus) Viral Structure Genetic Material in the form/


Taxonomy, Viruses, & Bacteria. 1. Do bacteria have a nucleus? a)yes, always b)no, never c)Sometimes yes, sometimes no.

nucleus? b) no, never 2. What is the name for these rod- shaped bacteria? 2. Bacillus 3. A capsid is made of _____ and is found in _______ a) DNA, bacteria b) protein, bacteria c) DNA, viruses d) protein, viruses 3.A capsid is made of _____ and is found in _______ d) protein, viruses 4. What is Edward Jenner famous for? First vaccine - for smallpox, by using/


Food Borne Illness YOU could be next!! What is food borne illness? A. Illness resulting from eating food contaminated w/ a bacteria or virus. B. May.

YOU could be next!! What is food borne illness? A. Illness resulting from eating food contaminated w/ a bacteria or virus. B. May cause outbreaks where many people become sick, with the same illness at the same time. (about/ after touching raw meat. 4. Never place cooked meat on the same plate that held raw meat. Prevention (continued) 5. Drink only pasteurized milk and juice. - Products that have been pasteurized… a. Will say “pasteurized” on the label b. May be sold at room temperature 6. Wash fruits/


Viruses, Bacteria & Archaea Chapter 21. Viruses, Bacteria & Archaea OutlineViruses  Structure  Classification  Reproduction Prokaryotes  Structure.

or symbiotic  Nitrogen fixation  Commensalism  Parasites 28 Nodules of a Legume Viruses, Bacteria & Archaea The Bacteria Bacteria are commonly diagnosed using the Gram stain procedure When washed after staining:  Gram-positive bacteria retain dye and appear purple  Gram-negative bacteria do not retain dye and appear pink Viruses, Bacteria & Archaea The Bacteria Structure of cell wall also of diagnostic use Bacteria can be further classified in terms of their three basic shapes/


Viruses pp. 104 to 107. Viruses vs. Bacteria: What’s the difference? Bacteria  unicellular organisms Virus  protein-covered genetic material (DNA) that.

: Plants Animals Animals Bacteria Viral Reproduction All viruses enter host cells, but some are not pathogenic (infectious) – they do not kill their host or make them “sick” There are two processes viruses can use to make more copies of themselves: 1.Lytic Cycle 2.Lysogenic Cycle Lytic Cycle 1.Attachment (entrance)  virus chemically recognizes host cell and attaches to it. Whole virus or only DNA enters/


Microbiology Review Bacteria, viruses, diseases. 1. What natural host do we use to mass-produce vaccines? Chicken eggs/embryos.

. What does CDC stand for? Where is it? Center for Disease Control Atlanta, GA 6. What was the Salk vaccine used for? Polio Virus or bacteria? VIRUS! 7. What did scientists do with mosquitoes they caught in the rain forest, and why? Caught them, froze them, crushed them up into a liquid Inject the liquid into rats Observe how the rats react (do they/


Viruses and Bacteria Review. VirusesBacteriaMore Challenging Virus Qs More Challenging Bacteria Qs 100 200 300 400 500.

Viruses and Bacteria Review VirusesBacteriaMore Challenging Virus Qs More Challenging Bacteria Qs 100 200 300 400 500 100 Which is smallest in size: a virus, a bacteria, a plant cell or an animal cell? Virus 200 The genome of a virus may be A).single stranded DNA B).double stranded DNA C)./ a sex pilus 2) A section of bacterial DNA is packaged in a virus and transferred to a new host cell 3) Small rings of bacterial DNA that carry accessory genes 4) A bacteria takes up segments of naked DNA 1. A 2. B 3. D 4/


Viruses, Bacteria & Archaea Chapter 21. Viruses, Bacteria & Archaea 2OutlineViruses  Structure  Classification  Reproduction Prokaryotes  Structure.

components of healthy ecosystem May be free-living or symbiotic  Nitrogen fixation  Commensalism  Parasites Viruses, Bacteria & Archaea 23 The Bacteria Bacteria are commonly diagnosed using the Gram stain procedure When washed after staining:  Gram-positive bacteria retain dye and appear purple  Gram-negative bacteria do not retain dye and appear pink 24 Diversity of Bacteria 25 Viruses, Bacteria & Archaea 26Cyanobacteria Formerly called the Blue-Green algae (Cyanophyta) Cyanobacteria are Gram-negative/


3/18/2015 Starter: Describe how a virus attacks a cell Virus Model 3/18/2015 Virus Model Application/Connection: Virus model Exit: How is a virus different.

/5 Cladagrams 173-174 3/16 Bacteria, Viruses, and Protista 175-176 3/17 Virus lab 177-178 3/18 Virus Model 179-180 Table of Contents Starter Describe how a virus attacks a cell 3/18/2015 Starter: Describe how a virus attacks a cell Virus Model 3/18/2015 Virus Model Application/Connection: Virus model Exit: How is a virus different from a bacteria? Practice: Write three things to remember/


Viruses and Bacteria Chapter 18 Pathogen Anything that causes a disease.

Viruses and Bacteria Chapter 18 Pathogen Anything that causes a disease. What is a virus? Considered non-living particles by most biologists because they: Considered non-living particles by most biologists because they: –Do not carry out cellular respiration –Do not grow and develop –Cannot replicate on their own Viruses are named after: Viruses are named after: –The disease they cause (poliovirus) –The organ they infect (adenovirus) Viral/


Bacteria & Viruses. What are the characteristics of viruses? Bacteria? What kingdom do each of these belong? Are they living? Why or why not ?

make antibodies that destroy foreign “bodies” or particles (such as bacteria and viruses). Your body remembers how to make these antibodies when the real thing invades. Made from a weakened virus, inactivated virus, or by using only part of the virus/bacteria itself. VIDEO CLIP: Vaccination Viruses and the flu To Review....  What are the differences between viruses and bacteria?  Are all bacteria harmful? Explain.  When you get a cold, should you take/


Viruses. A virus is a small infectious agent that can replicate only inside the living cells of organisms. Latin for “poison” (Don’t draw line there’s.

organelles Convert energy to perform tasks Viruses are not cells and are not made up of cells It contains genetic material and protein that can invade living cells THEY/and immune system Bacteria can be BAD! Less than 1% of bacteria are harmful These bacteria can cause diseases such as tetanus, syphilis and toxic shock syndrome Antibiotics help slow bacteria growth or kill it. Prevents cell wall from forming Also kills the good bacteria  Antibiotic Resistance : bacteria become resistant to antibiotics and/


미생물의 종류와 특성.  Archaea (archaeon)  3 domains : Bacteria, Archaea, Eukaryota (Archaebacteria : outdated)  Similar to bacteria Single celled Procaryotic.

Low G+C Gram (+)  Actinobacteria: High G+C Gram (+)  Others Bacteria  Proteobacteria  a major group (phylum) of gram-negative bacteria 1987 Carl Woese "purple bacteria and their relatives" Proteus : Greek god of the sea capable of assuming many /: plant diseases  Virusoid single stranded RNA circle encoding for proteins Need helper virus for infection Human hepatitis D virus (helper virus : hepatitis B virus) Non-cellular particles  Prion Proteinaceous infectious particle : PrP (prion protein) /


Viruses & Bacteria Chapter 21. Viral Structure All viruses have 2 main parts: Capsid– protein encasement DNA or RNA – genetic information.

forms stores viral DNA At some point enters Lytic! Lets, watch it! Vaccines: Contain parts of “microbe” (bacteria / virus), heat killed microbe, weakened microbe. Immune system responds to the microbe. When you are infected by the actual microbe your immune system fights it fast and furious…before you can actually get sick. Antivirals: Stop it from binding to the cell. Stop it from/


미생물의 종류와 특성.  Archaea (archaeon) 3 domains : Bacteria, Archaea, Eukaryota (Archaebacteria : outdated) Similar to bacteria Single celled Procaryotic :

Low G+C Gram (+)  Actinobacteria: High G+C Gram (+)  Others Bacteria  Proteobacteria. a major group (phylum) of gram-negative bacteria 1987 Carl Woese "purple bacteria and their relatives" Proteus : Greek god of the sea capable of assuming many different/ : plant diseases  Virusoid single stranded RNA circle : encoding for proteins Need helper virus for infection Human hepatitis D virus (helper virus : hepatitis B virus)  Prion Proteinaceous infectious particle : PrP (prion protein) PrP c (normal), PrP/


Bacteria & Viruses. DO NOW: WHAT ARE THE CHARACTERISTICS OF VIRUSES? BACTERIA? WHAT KINGDOM DO EACH OF THESE BELONG? ARE THEY LIVING? WHY OR WHY NOT ?

?  What are the differences between viruses and bacteria?  Are all bacteria harmful?  When you get a cold, should you take an antibiotic to help you get better?  What’s the best and easiest thing to do to avoid getting sick? Bacteria  Bacteriology is the study of bacteriaBacteria are prokaryotic, unicellular organisms containing DNA and ribosomes.  Bacteria have ALL the characteristics of living things.  Bacteria have the greatest percentage of the/


Biology Science Department Deerfield High School What makes us sick?  BacteriaVirus  Fungi  Parasites  Other.

how to make these antibodies when the real thing invades.  Made from a weakened virus, inactivated virus, or by using only part of the virus/bacteria itself. VIDEO CLIP: Vaccination Biology Science Department Deerfield High School Biology Science Department Deerfield High School To Review....  What are the differences between viruses and bacteria?  Are all bacteria harmful? Explain.  When you get a cold, should you take an antibiotic to/


Major Parts of a Virus - Bacteriophage Capsid (whole outer coat) Collar.

feed, or grow outside of another organism’s cells. 4. Reproduce inside living cells. 5. Are very small – bacteria seem big. *A typical virus is made up of a core of DNA or RNA surrounded by a protein coat (capsid). Major Parts 1. Capsid / injected into the host. 3. Viral DNA/RNA directs cell to make new viruses. 4. Viral pieces are made & assembled, finishing the copies of the virus. 5. Cell lyses (bursts) open and releases new viruses. Steps of the Lysogenic (temperate) Cycle 1. Attachment to host cell. 2/


Virus? Bacteria? Parasite?. Virus Must Haves:  Viruses require a host to replicate  Extracellular state  Intracellular state  Viral life cycle: 

 Helminths  Ectoparasites Must Haves: Ectoparasite Helminth Protozoan Treatment and Complications: The “So What?” Antimicrobial Resistance What is it? What causes it? What effect does it have on disease persistence, communicability, and fatality? Fatal Facts: Deadliest Diseases 1.Respiratory Infections: viruses, bacteria, fungi 1.AIDS: virus 1.Diarrheas: bacteria, viruses, parasites 1.Tuberculosis: bacterium 1.Malaria: parasite 1.Measles: virus Six Diseases that Cause 90% of Infectious Disease Deaths


Viruses What are the 3 main characteristics of viruses? What are the 3 components of a virus’s structure? What is important about the viral envelope? The.

the 3 main characteristics of viruses? What are the 3 components of a virus’s structure? What is important about the viral envelope? The shapes of viruses are _____, _____, and _____ (which only infect bacteria). What are the 3 ways a virus can infect a host cell and what happens in each process? Viruses can reproduce in 2 ways known as ___ and ____ cycles. What happens in/


VIRUSES, BACTERIA, and PRIONS https://www.msu.edu/course/isb/202/ebertmay/images/HIV%20virus.png

you go from RNA  DNA?  reverse transcriptase from RNA viruses  retroviruses 40 REVERSE TRANSCRIPTASE  Found in RETROVIRUSES (RNA not DNA)  Uses RNA message to make DNA  Info flows in reverse RNA → DNA  Can take eukaryotic RNA message after introns have been removed and change it into a DNA sequence to be read by bacteria (no RNA processing in prokaryotes) 41 AP Biology REVERSE/


Viruses and Bacteria Unit 5 – Lesson 2 Which is alive? What do they do? VIRUS BACTERIA.

Viruses and Bacteria Unit 5 – Lesson 2 Which is alive? What do they do? VIRUS BACTERIA VIRUSES What is a Virus?  For something to be living look for three main characteristics: DNA reproduce obtain and use energy  Is a virus living? NO! What is a Virus?  A virus has DNA. It is surrounded by a protein coat. What is a Virus?  Viruses can reproduce. They make copies of themselves only inside a living host/


Bacteria & Viruses. What are the characteristics of viruses? Bacteria? What kingdom do each of these belong? Are they living? Why or why not ?

? What are the differences between viruses and bacteria? Are all bacteria harmful? When you get a cold, should you take an antibiotic to help you get better? What’s the best and easiest thing to do to avoid getting sick? Bacteria Video Bacteria Bacteriology is the study of bacteria Bacteria are prokaryotic, unicellular organisms containing DNA and ribosomes. Bacteria have ALL the characteristics of living things. Bacteria have the greatest percentage of/


Table of Contents Viruses Bacteria Viruses, Bacteria, and Your Health.

Unlike with bacterial diseases, there are currently no medications that can cure viral infections. Using Prior Knowledge - Viruses, Bacteria, and Your Health Look at the section headings and visuals to see what this section is about. Then write what you already know about diseases caused by viruses and bacteria in a graphic organizer like the one below. As you read, write what you learn. What You Know/


Eubacteria and archaebacteria differ in

heat-stable enzymes. nitrogen-fixing bacteria. Gram stains. 1 2 3 4 5 The outer protein coat of a virus is called a DNA core. capsid. bacteriophage. tail sheath. 1 2 3 4 5 All viruses are made of proteins and nucleic acids. prophages. bacteriophages. / an experiment that would test the effectiveness of a disinfectant on bacteria. 1 2 3 4 5 0 of 5 Shingles and chickenpox are both viral diseases caused by the varicella-zoster herpes virus. Shingles usually occurs years after a person has had the chickenpox/


Questions Chapter 18 - Genetics of Viruses and Bacteria

- Genetics of Viruses and Bacteria AIM: Viruses: Packaged Genes… 2. Animal viruses DNA Capsid Protein spikes 2. Animal viruses Chapter 18 - Genetics of Viruses and Bacteria AIM: Viruses: Packaged Genes… 2. Animal viruses They are classified by their genetic material. DNA viruses 2. Animal viruses Chapter 18 - Genetics of Viruses and Bacteria AIM: Viruses: Packaged Genes… 2. Animal viruses DNA viruses 2. Animal viruses B. DNA viruses Chapter 18 - Genetics of Viruses and Bacteria AIM: Viruses: Packaged Genes/


Chapter 18 Bacteria and Viruses

, or integrates into a chromosome in a host cell. Infected cell will have the viral genes permanently. Chapter 18 Bacteria and Viruses 18.2 Viruses and Prions Chapter 18 Bacteria and Viruses Viruses that have RNA instead of DNA for their genetic material Chapter 18 Bacteria and Viruses 18.2 Viruses and Prions Retroviruses Viruses that have RNA instead of DNA for their genetic material Retroviruses have a protein capsid. Lipid envelope is obtained from/


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