Gram-negative bacteria
... In 2003, some people in China started showing symptoms of a new illness. These symptoms were similar to those of pneumonia. The condition was highly infectious. Soon, scientists found that the disease was caused by a virus. They called the disease severe acute respiratory syndrome, or SARS ...
... In 2003, some people in China started showing symptoms of a new illness. These symptoms were similar to those of pneumonia. The condition was highly infectious. Soon, scientists found that the disease was caused by a virus. They called the disease severe acute respiratory syndrome, or SARS ...
Classical Swine Fever (CSF)
... cell types, including tonsillar epithelium, but studies have demonstrated that the target cells for the virus are monocyte-macrophages, and that the pathogenesis of the disease as far as it is known results mainly from the release of cytokines by these cells as a result of viral replication within t ...
... cell types, including tonsillar epithelium, but studies have demonstrated that the target cells for the virus are monocyte-macrophages, and that the pathogenesis of the disease as far as it is known results mainly from the release of cytokines by these cells as a result of viral replication within t ...
classic_swine_fever_3_pathogenesis
... cell types, including tonsillar epithelium, but studies have demonstrated that the target cells for the virus are monocyte-macrophages, and that the pathogenesis of the disease as far as it is known results mainly from the release of cytokines by these cells as a result of viral replication within t ...
... cell types, including tonsillar epithelium, but studies have demonstrated that the target cells for the virus are monocyte-macrophages, and that the pathogenesis of the disease as far as it is known results mainly from the release of cytokines by these cells as a result of viral replication within t ...
Preventing Communicable Diseases
... “B” cells produce antibodies – a protein that acts against a specific antigen. An antibody will either mark a cell for destruction, destroy the antigen or block the virus from entering the body. ...
... “B” cells produce antibodies – a protein that acts against a specific antigen. An antibody will either mark a cell for destruction, destroy the antigen or block the virus from entering the body. ...
Editable PPT - Science Prof Online
... words underlined and appearing in blue are links that can be clicked on for more information. PowerPoints must be viewed in slide show mode to use the hyperlinks directly. • Several helpful links to fun and interactive learning tools are included throughout the PPT and on the Smart Links slide, near ...
... words underlined and appearing in blue are links that can be clicked on for more information. PowerPoints must be viewed in slide show mode to use the hyperlinks directly. • Several helpful links to fun and interactive learning tools are included throughout the PPT and on the Smart Links slide, near ...
learning outcomes - McGraw Hill Higher Education
... B. Pathogenicity of viroids may result from RNA silencing, where viroid RNA forms dsRNA by pairing with host mRNAs; these dsRNA are destroyed by host cell defenses and, hence, certain host genes are not translated, leading to disease C. Virusoids are circular ssRNA molecules (satellite RNAs) that en ...
... B. Pathogenicity of viroids may result from RNA silencing, where viroid RNA forms dsRNA by pairing with host mRNAs; these dsRNA are destroyed by host cell defenses and, hence, certain host genes are not translated, leading to disease C. Virusoids are circular ssRNA molecules (satellite RNAs) that en ...
Micro-Ch10-13_B.pdf
... B) Penetration C) Adsorption D) Uncoating E) None of the above 66) An example of a latent viral infection is A) Subacute sclerosing panencephalitis. B) Smallpox. C) Cold sores. D) Influenza. E) None of the above. 67) Specialized transduction differs from generalized transduction in that specialized ...
... B) Penetration C) Adsorption D) Uncoating E) None of the above 66) An example of a latent viral infection is A) Subacute sclerosing panencephalitis. B) Smallpox. C) Cold sores. D) Influenza. E) None of the above. 67) Specialized transduction differs from generalized transduction in that specialized ...
File
... Lysogenic: Attach to a host, enters, viral DNA becomes part of host cell’s chromosome (provirus formation), onset of disease at lytic cycle. 7. What is a prion? How can they cause diseases? Prion-protein, no DNA or RNA, harmful when it changes molecular shape. 8. Briefly describe 3 ways viruses are ...
... Lysogenic: Attach to a host, enters, viral DNA becomes part of host cell’s chromosome (provirus formation), onset of disease at lytic cycle. 7. What is a prion? How can they cause diseases? Prion-protein, no DNA or RNA, harmful when it changes molecular shape. 8. Briefly describe 3 ways viruses are ...
Nov10 Lecture 20 Evolution & vaccines
... that result in amino acid replacements. •If the selective pressure on these was to evade immune responses of the host, then viruses with mutations at these ...
... that result in amino acid replacements. •If the selective pressure on these was to evade immune responses of the host, then viruses with mutations at these ...
Immune System-
... Tubercles form in lungs—small, rounded swellings containing infected phagocytes First infection is usually not severe Re-infection results in chronic TB which gradually destroys the lung tissue Fever, loss of appetite, weight loss, persistent cough, coughing up blood Infection can spread to lymph no ...
... Tubercles form in lungs—small, rounded swellings containing infected phagocytes First infection is usually not severe Re-infection results in chronic TB which gradually destroys the lung tissue Fever, loss of appetite, weight loss, persistent cough, coughing up blood Infection can spread to lymph no ...
Lets`s Get Small
... piece of human hair, would you make it larger or smaller than a real piece of hair? Do you think microbes are smaller than the width of a piece of hair? If you needed to make a model of a microbe, would you make it larger or smaller than the original? 2. Lay your meter stick or ruler out in front of ...
... piece of human hair, would you make it larger or smaller than a real piece of hair? Do you think microbes are smaller than the width of a piece of hair? If you needed to make a model of a microbe, would you make it larger or smaller than the original? 2. Lay your meter stick or ruler out in front of ...
THE GENETICS OF VIRUSES
... -Viroids and prions are infectious agents simpler than viruses Viroids-tiny molecules of naked circular RNA infecting plants o only several hundred nucleotides long—don’t encode proteins but can replicate using cellular enzymes. Disrupt the metabolism of a plant cell and kill growth o molecule can ...
... -Viroids and prions are infectious agents simpler than viruses Viroids-tiny molecules of naked circular RNA infecting plants o only several hundred nucleotides long—don’t encode proteins but can replicate using cellular enzymes. Disrupt the metabolism of a plant cell and kill growth o molecule can ...
CH 18 Viruses and Bacteria Study Guide
... 2. Why is a virus considered a nonliving parasite? 1) Cannot grow, develop or move 2) cannot reproduce on their own. 3. What was the first virus to be discovered? Tobacco Mosaic 4. What does HIV stand for? Human Immunodeficiency Virus 5. Know the difference between Lytic and Lysogenic Cycles. Lytic: ...
... 2. Why is a virus considered a nonliving parasite? 1) Cannot grow, develop or move 2) cannot reproduce on their own. 3. What was the first virus to be discovered? Tobacco Mosaic 4. What does HIV stand for? Human Immunodeficiency Virus 5. Know the difference between Lytic and Lysogenic Cycles. Lytic: ...
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. ...
Introduction to Viruses
... Life Cycle of Animal Viruses 1. Attachment or adsorption: adsorption : Virus binds to specific receptors (proteins or glycoproteins ...
... Life Cycle of Animal Viruses 1. Attachment or adsorption: adsorption : Virus binds to specific receptors (proteins or glycoproteins ...
Prof. Lester`s BI 203 Practice Exam 3
... A) Viruses are filterable. B) Viruses are obligate intracellular parasites. C) Viruses don't have any nucleic acid. D) Viruses are not composed of cells. E) Viruses don't reproduce. 23) Which of the following is NOT a method of culturing viruses? A) In laboratory animals B) In culture media C) In em ...
... A) Viruses are filterable. B) Viruses are obligate intracellular parasites. C) Viruses don't have any nucleic acid. D) Viruses are not composed of cells. E) Viruses don't reproduce. 23) Which of the following is NOT a method of culturing viruses? A) In laboratory animals B) In culture media C) In em ...
Chapter 12: The Viruses and Virus
... • Viruses coevolved with cellular organisms from a self-replicating molecule present on primitive Earth 12.8 Virus-Like Agents • Viroids Are Infectious RNA particles • Viroids are tiny fragments of RNA that cause diseases in crop plants • The replication cycle and disease causation process of viroid ...
... • Viruses coevolved with cellular organisms from a self-replicating molecule present on primitive Earth 12.8 Virus-Like Agents • Viroids Are Infectious RNA particles • Viroids are tiny fragments of RNA that cause diseases in crop plants • The replication cycle and disease causation process of viroid ...
No Slide Title
... From birth, humans have the ability for an immune system response to any microbial infection but the response is only initiated when the infection occurs ...
... From birth, humans have the ability for an immune system response to any microbial infection but the response is only initiated when the infection occurs ...
2 - Viruses Scavenger Hunt Solution - kyoussef-mci
... to as a PROPHAGE. One gene on the prophage codes for a protein that prevents transcription of most of the other prophage genes. This explains why the phage genome is mostly silent, but this also explains why the viral DNA does not direct production of more virus, which eventually prevents the cell f ...
... to as a PROPHAGE. One gene on the prophage codes for a protein that prevents transcription of most of the other prophage genes. This explains why the phage genome is mostly silent, but this also explains why the viral DNA does not direct production of more virus, which eventually prevents the cell f ...
Unit 3 Microorganisms Viruses Bacteria Protists Fungi PowerPoint
... • Asexual Reproduction- only one parent produces offspring that are genetically identical to the parent. • Binary Fission- type of asexual repro. where one cell divides to produce two identical cells. ...
... • Asexual Reproduction- only one parent produces offspring that are genetically identical to the parent. • Binary Fission- type of asexual repro. where one cell divides to produce two identical cells. ...
Viruses HIV
... • Hepatitis B • Chicken Pox (Varicella zoster) • Shingles – painful infection of some nerve cells ...
... • Hepatitis B • Chicken Pox (Varicella zoster) • Shingles – painful infection of some nerve cells ...
Chapter 19 Bacteria and Viruses Notes.notebook
... Virus will lay dormant until a trigger stimulates prophage to remove itself and begin synthesis of the DNA and start the lytic cycle. Retroviruses Contain RNA Infect and produce a copy of the DNA which is then inserted into the cells DNA ...
... Virus will lay dormant until a trigger stimulates prophage to remove itself and begin synthesis of the DNA and start the lytic cycle. Retroviruses Contain RNA Infect and produce a copy of the DNA which is then inserted into the cells DNA ...