Taxonomy - bancejscience
... cannot survive outside the body because glycoprotein membrane around its capsid dries out (membrane picked up as it buds off white blood cell) can only be transmitted from 1 bodily fluid to another ex. 1. blood to blood: needles, transfusions, toothbrushes ...
... cannot survive outside the body because glycoprotein membrane around its capsid dries out (membrane picked up as it buds off white blood cell) can only be transmitted from 1 bodily fluid to another ex. 1. blood to blood: needles, transfusions, toothbrushes ...
3. Viruses 2010
... Viruses have a restricted host range. Some animal viruses will have a broad host range. For instance the rabies virus can infect many mammalian species Some have a narrow host range. For instance the human cold virus tends to infect the cells of the upper respiratory tract. The AIDS virus affe ...
... Viruses have a restricted host range. Some animal viruses will have a broad host range. For instance the rabies virus can infect many mammalian species Some have a narrow host range. For instance the human cold virus tends to infect the cells of the upper respiratory tract. The AIDS virus affe ...
What is a virus? How does it reproduce?
... • Viruses have a core of nucleic acid (genetic information) surrounded by a protein coat. ...
... • Viruses have a core of nucleic acid (genetic information) surrounded by a protein coat. ...
Viruses Chap 13
... linear ssRNA (Q) or dsRNA (6) May have one or more nucleic acid molecules (segmented – Reoviruses 10 dsRNA molecules or influenze virus – 8 ssRNA molecules) One group uses both RNA and DNA but at different stages of their life cycle This variety of form of the hereditary molecule is unique ...
... linear ssRNA (Q) or dsRNA (6) May have one or more nucleic acid molecules (segmented – Reoviruses 10 dsRNA molecules or influenze virus – 8 ssRNA molecules) One group uses both RNA and DNA but at different stages of their life cycle This variety of form of the hereditary molecule is unique ...
Lecture 5 (Ch6) - Viruses Virus Characteristics Viral Host Range
... • Viruses cause 20–25% of human cancers – Some carry copies of oncogenes as part of their genomes – Some promote oncogenes already present in host – Some interfere with tumor repression when inserted into host’s ...
... • Viruses cause 20–25% of human cancers – Some carry copies of oncogenes as part of their genomes – Some promote oncogenes already present in host – Some interfere with tumor repression when inserted into host’s ...
File - Biology with Radjewski
... The viral envelope __________ with the membrane and releases the ___________ into the host cell Viral RNA and reverse transcriptase are released and used to make a template to make a double stranded ______ version of the viral genome The HIV DNA enters the cell’s nucleus and integrates into the cell ...
... The viral envelope __________ with the membrane and releases the ___________ into the host cell Viral RNA and reverse transcriptase are released and used to make a template to make a double stranded ______ version of the viral genome The HIV DNA enters the cell’s nucleus and integrates into the cell ...
Virus PowerPoint
... • A virus that replicates through the lysogenic cycle does not kill the host cell immediately. It may stay in the host for days, months or even years. • The virus in this cycle is called a temperate virus. The virus DNA is incorporated in the cell DNA, at a site in the host cell genome, is called a ...
... • A virus that replicates through the lysogenic cycle does not kill the host cell immediately. It may stay in the host for days, months or even years. • The virus in this cycle is called a temperate virus. The virus DNA is incorporated in the cell DNA, at a site in the host cell genome, is called a ...
Chapter 13 Notes
... Can’t be _______________ from solution o Obligate ____________________ parasites No ___________________________________ when isolated o Contain single type of __________________________________ o Protein coat (_____________) surrounding the nucleic acid Some are enclosed by an ________________ ...
... Can’t be _______________ from solution o Obligate ____________________ parasites No ___________________________________ when isolated o Contain single type of __________________________________ o Protein coat (_____________) surrounding the nucleic acid Some are enclosed by an ________________ ...
Viruses - Killeen ISD
... • Structure that contains genetic material (DNA or RNA) wrapped in protein • Does NOT have a cell • Does NOT breathe, eat, produce wastes • Can reproduce, but only if in a host cell ...
... • Structure that contains genetic material (DNA or RNA) wrapped in protein • Does NOT have a cell • Does NOT breathe, eat, produce wastes • Can reproduce, but only if in a host cell ...
Introduction to Plant Virology • History • Definitions • Classification
... A. Acellular, don’t synthesize a cell membrane (+/- envelope= stolen host cell membrane) B. Genome = RNA or DNA C. Protein coat = capsid D. No ribosomes. Lack ability to synthesize organic molecules E. No metabolism. Can’t generate own energy therefore are “metabolic parasites” F. Obligate intracell ...
... A. Acellular, don’t synthesize a cell membrane (+/- envelope= stolen host cell membrane) B. Genome = RNA or DNA C. Protein coat = capsid D. No ribosomes. Lack ability to synthesize organic molecules E. No metabolism. Can’t generate own energy therefore are “metabolic parasites” F. Obligate intracell ...
Cheng Zhang`s Muslim Medic Microbiology
... Virus disassembled so no infectious particles present Expression of viral proteins in highly regulated way Nucleic acid... Protein coat... Proteins for cell lysis ...
... Virus disassembled so no infectious particles present Expression of viral proteins in highly regulated way Nucleic acid... Protein coat... Proteins for cell lysis ...
Viruses
... Viruses and Cancer • _______________: results from cells that ____________________________ • Some viruses can cause cancer because they contain _________________: genes that _______________________________________________. • Other viruses cause cancer because they __________________________________ ...
... Viruses and Cancer • _______________: results from cells that ____________________________ • Some viruses can cause cancer because they contain _________________: genes that _______________________________________________. • Other viruses cause cancer because they __________________________________ ...
Viruses File - Learn District 196
... the cell nucleus using viral and cellular enzymes to replicate and transcribe their DNA. – Herpesvirus DNA may become integrated into the cell’s genome as a provirus. – The provirus remains latent within the nucleus until triggered by physical or emotional stress to leave the genome and initiate act ...
... the cell nucleus using viral and cellular enzymes to replicate and transcribe their DNA. – Herpesvirus DNA may become integrated into the cell’s genome as a provirus. – The provirus remains latent within the nucleus until triggered by physical or emotional stress to leave the genome and initiate act ...
TAXONOMY of VIRUSES
... – Primary cell lines : derived from tissues by enzymes , generally die after a couple of generations – Diploid cell lines: derived from human embryos, multiply for about 50 – 100 generations and then die. – Continuous cell lines: Immortal lines are derived from transformed or cancerous cells. Can mu ...
... – Primary cell lines : derived from tissues by enzymes , generally die after a couple of generations – Diploid cell lines: derived from human embryos, multiply for about 50 – 100 generations and then die. – Continuous cell lines: Immortal lines are derived from transformed or cancerous cells. Can mu ...
Morphology_and_physiology_of_viruses
... Capsomere - protein subunit making up the capsid Nucleocapsid - core and capsid Envelope - lipid membrane found on some viruses, often derived by budding from infected cells. ...
... Capsomere - protein subunit making up the capsid Nucleocapsid - core and capsid Envelope - lipid membrane found on some viruses, often derived by budding from infected cells. ...
Chpt 17 Viruses and Monerans - Virus a non
... o The nucleic acid core is either DNA or RNA, Never both o The core may contain just a few genes, or several hundred The capsid with its nucleic core is called the head of the virus The tail is composed of a long tube with tail fibers that attach to the bacteria ...
... o The nucleic acid core is either DNA or RNA, Never both o The core may contain just a few genes, or several hundred The capsid with its nucleic core is called the head of the virus The tail is composed of a long tube with tail fibers that attach to the bacteria ...
Chapter 25 Notes Viruses
... intact once inside their genetic material is released. They then use the organisms ATP for energy and ribosomes to make new proteins which are assembled with genetic material to make new virus particles called virons ...
... intact once inside their genetic material is released. They then use the organisms ATP for energy and ribosomes to make new proteins which are assembled with genetic material to make new virus particles called virons ...
Chapter 13 Characterizing Viruses, Viroids, and Prions
... • Show more variety in genomes than cells – The genetic material a virus contains is the primary way scientists categorize and classify viruses ...
... • Show more variety in genomes than cells – The genetic material a virus contains is the primary way scientists categorize and classify viruses ...
By route of transmission-1 - Arkansas State University
... • Changes in H and N (antigenic shift) – Mixing of viruses that infect birds, pigs, produce new strains able to jump to humans. – New antigenic type leaves population unprotected – Numerous epidemics throughout history • Flu of 1918-1919 killed 20 million – Asia watched very carefully: bird flu? ...
... • Changes in H and N (antigenic shift) – Mixing of viruses that infect birds, pigs, produce new strains able to jump to humans. – New antigenic type leaves population unprotected – Numerous epidemics throughout history • Flu of 1918-1919 killed 20 million – Asia watched very carefully: bird flu? ...
Transcriptional gene silencing
... -injection of either antisense or sense RNAs in the germline of C. elegans was equally effective at silencing homologous target genes 1998 Mello and Fire: -extension of above experiments, combination of sense and antisense RNA (= dsRNA) was 10 times more effective than single strand RNA ...
... -injection of either antisense or sense RNAs in the germline of C. elegans was equally effective at silencing homologous target genes 1998 Mello and Fire: -extension of above experiments, combination of sense and antisense RNA (= dsRNA) was 10 times more effective than single strand RNA ...
Virology
... Viruses are the smallest infectious agents and contain nucleic acid (RNA or DNA )as their genomnome. They are not cells and are too small to be seen in the light microscope. They are basic life forms composed of a protein coat that surrounds genetic material, certain viruses are further enclos ...
... Viruses are the smallest infectious agents and contain nucleic acid (RNA or DNA )as their genomnome. They are not cells and are too small to be seen in the light microscope. They are basic life forms composed of a protein coat that surrounds genetic material, certain viruses are further enclos ...
MS Word Format
... have less than 10 genes and have just the information needed to reproduce. Because of their simplicity and the methods they use to reproduce, errors are made easily. Viruses tend to evolve and change much more quickly than cells. Viruses can not reproduce on their own. They must infect cells and use ...
... have less than 10 genes and have just the information needed to reproduce. Because of their simplicity and the methods they use to reproduce, errors are made easily. Viruses tend to evolve and change much more quickly than cells. Viruses can not reproduce on their own. They must infect cells and use ...
AP Biology 12 Viruses
... Bacteriophages were grown in a medium containing radioactive sulfur (35S) and radioactive phosphorous (32P), which are incorporated into proteins and DNA, respectively. If these phages were used to infect a bacterial culture, which isotope would be detected within the infected bacteria? A. 35S B. ...
... Bacteriophages were grown in a medium containing radioactive sulfur (35S) and radioactive phosphorous (32P), which are incorporated into proteins and DNA, respectively. If these phages were used to infect a bacterial culture, which isotope would be detected within the infected bacteria? A. 35S B. ...
L9_viruses_7e
... How do animal viruses differ from bacterial viruses? • Attachment or entry into the cell • Replication of viral nucleic acid (remember eukaryotic cells have a nucleus) • Uncoating step is required by animal viruses • Exit the host cell by budding or shedding ...
... How do animal viruses differ from bacterial viruses? • Attachment or entry into the cell • Replication of viral nucleic acid (remember eukaryotic cells have a nucleus) • Uncoating step is required by animal viruses • Exit the host cell by budding or shedding ...