Foundations in Microbiology
... • The viral genome inserts into bacterial genome and becomes an inactive prophage – the cell is not lysed • Prophage is retained and copied during normal cell division resulting in the transfer of temperate phage genome to all host cell progeny – lysogeny • Induction can occur resulting in activatio ...
... • The viral genome inserts into bacterial genome and becomes an inactive prophage – the cell is not lysed • Prophage is retained and copied during normal cell division resulting in the transfer of temperate phage genome to all host cell progeny – lysogeny • Induction can occur resulting in activatio ...
General Biology 101
... Lysogenic pathway – a latent period exists an the virus doesn’t kill its host outright. The virus invades and becomes part of the host cell’s DNA/genetic material. Often the active or reactivating phase occurs at a later time with some environmental cue triggering it. E.g. Herpes. Viroids – Small, s ...
... Lysogenic pathway – a latent period exists an the virus doesn’t kill its host outright. The virus invades and becomes part of the host cell’s DNA/genetic material. Often the active or reactivating phase occurs at a later time with some environmental cue triggering it. E.g. Herpes. Viroids – Small, s ...
Pathogens – Bacteria & Viruses
... its tail fibers. The sheath then contracts, injecting the contents of the head (DNA) into the host. The viral DNA makes the bacteria manufacture more copies of the virus. TEM X40,000. ...
... its tail fibers. The sheath then contracts, injecting the contents of the head (DNA) into the host. The viral DNA makes the bacteria manufacture more copies of the virus. TEM X40,000. ...
Viruses and Evolution Student Recording Sheet
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
... b. Another way is by one viral strain jumping from one kind of animal such as a bird to individuals of different species without undergoing any genetic change. If the virus can reproduce and infe ...
Lytic and Lysogenic Pathways • Once inside its host cell, a virus can
... of the latent period and the eclipse period • Inside the host, the viral DNA/RNA replicates itself • Using resources from the cell, new full-fledged viruses form o The formation of the first full virus ends the eclipse period • Ultimately, the bacterium will become over-packed with bacteriophages o ...
... of the latent period and the eclipse period • Inside the host, the viral DNA/RNA replicates itself • Using resources from the cell, new full-fledged viruses form o The formation of the first full virus ends the eclipse period • Ultimately, the bacterium will become over-packed with bacteriophages o ...
Viruses
... • Viruses are obligate intracellular pathogens that can infect all types of living organisms. • Viruses that infect bacteria are called: Bacteriophages. • Many human diseases are caused by viruses. • Some viruses “oncogenic viruses” can even cause cancers e.g. leukemia, lymphoma.. • Virus particles ...
... • Viruses are obligate intracellular pathogens that can infect all types of living organisms. • Viruses that infect bacteria are called: Bacteriophages. • Many human diseases are caused by viruses. • Some viruses “oncogenic viruses” can even cause cancers e.g. leukemia, lymphoma.. • Virus particles ...
Introduction to Virology
... – A. Formal taxonomies – B. Baltimore Classification – C. Which means what? ...
... – A. Formal taxonomies – B. Baltimore Classification – C. Which means what? ...
![(Macroparasites and microparasites)edited [Recovered]](http://s1.studyres.com/store/data/000701227_1-e77fabc78bd26bd6dffe57ed2eb3168d-300x300.png)
(Macroparasites and microparasites)edited [Recovered]
... • Microparasites: viruses and bacteria. Human diseases: influenza, HIV/AIDS and tuberculosis. • Viral structure and replication. Antigenicity. • RNA retroviruses and reverse transcriptase. ...
... • Microparasites: viruses and bacteria. Human diseases: influenza, HIV/AIDS and tuberculosis. • Viral structure and replication. Antigenicity. • RNA retroviruses and reverse transcriptase. ...
Pathogens and their effect on humans. Viral pathogens. Bacteria:
... Humans have suffered the effects of pathogens as long as there have been humans. Pathogens are micro-organisms that cause diseases in humans. ...
... Humans have suffered the effects of pathogens as long as there have been humans. Pathogens are micro-organisms that cause diseases in humans. ...
Genetics of Viruses and Bacteria-ap
... A hypothesis of how infectious protein particles, or prions, cause ...
... A hypothesis of how infectious protein particles, or prions, cause ...
resume_nante
... 3 Laboratory of Virus Contaminants of Water and Food, Department of Microbiology, University of Barcelona, Barcelona, Spain ...
... 3 Laboratory of Virus Contaminants of Water and Food, Department of Microbiology, University of Barcelona, Barcelona, Spain ...
ClassificationBacteriaViruses ATA StudyGuide Answers
... 28. If you do go to the doctor and they give you an antibiotic, you probably have what kind of infection? Bacterial infection 29. What are viruses made of? Genetic material and protein 30. Why aren’t viruses considered living? They have no organelles to take in nutrients or use energy, can’t make pr ...
... 28. If you do go to the doctor and they give you an antibiotic, you probably have what kind of infection? Bacterial infection 29. What are viruses made of? Genetic material and protein 30. Why aren’t viruses considered living? They have no organelles to take in nutrients or use energy, can’t make pr ...
1. Is a virus ALIVE?
... 5. Lysis – Enzymes dissolve the host cell membrane from within. The cell then bursts open. 6. Release — The newly formed virus particles are released, free to infect other bacterial cells. ...
... 5. Lysis – Enzymes dissolve the host cell membrane from within. The cell then bursts open. 6. Release — The newly formed virus particles are released, free to infect other bacterial cells. ...
Part I
... Replication is directed by viral nucleic acid within a cell Do not divide by binary fission or mitosis Do not grow or respond to environment No metabolism: Lack genes and enzymes necessary for energy production Depend on host cell ribosomes, enzymes, and nutrients for protein production ...
... Replication is directed by viral nucleic acid within a cell Do not divide by binary fission or mitosis Do not grow or respond to environment No metabolism: Lack genes and enzymes necessary for energy production Depend on host cell ribosomes, enzymes, and nutrients for protein production ...
Chapter 19 – Viruses Virus • Obligate intracellular parasite • No
... DNA spliced into host genome by integrase (forming a provirus) Viral DNA now transcribed & translated mRNA also serves as new genome Protease cleaves/activates polypeptides HIV leaves & picks up host membrane ...
... DNA spliced into host genome by integrase (forming a provirus) Viral DNA now transcribed & translated mRNA also serves as new genome Protease cleaves/activates polypeptides HIV leaves & picks up host membrane ...
Suggested Answers for Insight Questions, Foundations in
... viral release. Consider just the example of hemophiliacs alone. This population began to acquire AIDS early in the epidemic. Their infection was traced to a blood product, factor 8, taken from unsterile pooled serum they took for their disease. The virus was found in this product. Infection and AIDS ...
... viral release. Consider just the example of hemophiliacs alone. This population began to acquire AIDS early in the epidemic. Their infection was traced to a blood product, factor 8, taken from unsterile pooled serum they took for their disease. The virus was found in this product. Infection and AIDS ...
Hospitality and Tourism Travel and Tourism Management Multiple Choice Science Assessment Problems
... c. A substance used to destroy pathogens d. Antimicrobial substance that is applied to the skin 7. A virus is made up of two basic components, the protein coat and ___________. a. DNA or RNA b. hard shell c. flagellum d. nucleus 8. The HIV virus is known to infect and destroy a. red blood cells b. k ...
... c. A substance used to destroy pathogens d. Antimicrobial substance that is applied to the skin 7. A virus is made up of two basic components, the protein coat and ___________. a. DNA or RNA b. hard shell c. flagellum d. nucleus 8. The HIV virus is known to infect and destroy a. red blood cells b. k ...
Virus Structure
... per cent of its amino acid residues are basic. • Nucleic-acid-binding proteins may have other characteristics, such as zinc fingers the HIV-1 nucleocapsid protein has two zinc fingers. • In some viruses, such as tobacco mosaic virus, the protein coating the genome constitutes the capsid of the virio ...
... per cent of its amino acid residues are basic. • Nucleic-acid-binding proteins may have other characteristics, such as zinc fingers the HIV-1 nucleocapsid protein has two zinc fingers. • In some viruses, such as tobacco mosaic virus, the protein coating the genome constitutes the capsid of the virio ...
Chapter 19 – Viruses
... protein. And, bacteria have enzymes called restriction enzymes that will “cut” foreign nucleic acids, such as viral nucleic acids. The Lysogenic Cycle The lysogenic cycle of a phage infection is where the phage DNA is incorporated into the host’s chromosome. This type of phage is called a temperate ...
... protein. And, bacteria have enzymes called restriction enzymes that will “cut” foreign nucleic acids, such as viral nucleic acids. The Lysogenic Cycle The lysogenic cycle of a phage infection is where the phage DNA is incorporated into the host’s chromosome. This type of phage is called a temperate ...
Final Exam Study Guide
... 8. Be familiar with the families of the viruses mentioned in class and the general characteristics of the virus (type of nucleic acid, whether or not it has an envelope, and the disease it causes). Use your notes and different chapters in the book to review information on the following viruses: Hepa ...
... 8. Be familiar with the families of the viruses mentioned in class and the general characteristics of the virus (type of nucleic acid, whether or not it has an envelope, and the disease it causes). Use your notes and different chapters in the book to review information on the following viruses: Hepa ...
Chapter 19 – Viruses
... *Lecture notes are to be used as a study guide only and do not represent the comprehensive information you will need to know for the exams. ...
... *Lecture notes are to be used as a study guide only and do not represent the comprehensive information you will need to know for the exams. ...
MS Word Format
... People are generally familiar with viruses because they cause a number of disorders in living things. Because of this, people tend to think of viruses as alive. However, they are not. They are not composed of cells. They do not carry out the activities of life. They are simply a protein shell called ...
... People are generally familiar with viruses because they cause a number of disorders in living things. Because of this, people tend to think of viruses as alive. However, they are not. They are not composed of cells. They do not carry out the activities of life. They are simply a protein shell called ...
Student Worksheets
... Sugar coat (also called capsule) Cell wall Cell membrane Genetic material ...
... Sugar coat (also called capsule) Cell wall Cell membrane Genetic material ...
18.1 Studying Viruses and Prokaryotes
... The viral DNA directs the host cell to produce new viral nucleic acids and protein parts. The parts assemble into new bacteriophages. ...
... The viral DNA directs the host cell to produce new viral nucleic acids and protein parts. The parts assemble into new bacteriophages. ...
VIROIDS, PRIONS A virus is a small infectious agent that can
... all types of organisms, from animals and plants to bacteria and archaea. Since the initial discovery of tobacco mosaic virus by Martinus Beijerinck in 1898, about 5,000 viruses have been described in detail though there are millions of different types. Viruses are found in almost every ecosystem on ...
... all types of organisms, from animals and plants to bacteria and archaea. Since the initial discovery of tobacco mosaic virus by Martinus Beijerinck in 1898, about 5,000 viruses have been described in detail though there are millions of different types. Viruses are found in almost every ecosystem on ...