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Zoology 145 course

Zoology 145 course

Zoology 145 course. General Animal Biology. For Premedical Student. Zoology Department Lecture 3 : Viruses. 1436-1437H. Viruses. Objectives. Describe why viruses are not considered living organisms. Describe the basic structure of viruses.

By MartaAdara
(278 views)

Viral Genetics

Viral Genetics

Viral Genetics. Microbiology: The Genetics of Viruses https://www.youtube.com/watch?v=UEKS4w9bfJg. Viruses &Bacteria: simplest biological systems. Viruses: smaller/ simpler than bacteria Contain nucleic acid and protein ONLY

By elina
(703 views)

Overview: Microbial Model Systems Viruses called bacteriophages

Overview: Microbial Model Systems Viruses called bacteriophages

0.5 m. Figure 18.1. Overview: Microbial Model Systems Viruses called bacteriophages Can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli. E. coli and its viruses

By albert
(302 views)

Viral cultures

Viral cultures

Investigation strategies and methods. Viral cultures. May 2007. Learning objectives. At the end of the presentation, participants should: Understand the principle of cultivating viruses Understand the methods and problems with cultivating viruses. Techniques to identify viruses.

By nyla
(206 views)

Microbial Models: Viruses and Bacteria 			AP Biology						1/08/03

Microbial Models: Viruses and Bacteria AP Biology 1/08/03

Microbial Models: Viruses and Bacteria AP Biology 1/08/03 . Discovery of viruses Science as a process Tobacco Mosaic Virus *Mayer 1883 Disease is contagious; small maybe bacteria *Ivanowsky 1893 Filtered and found pathogen to be very small bacteria or toxin *Beirjerinck 1897

By leoma
(241 views)

Herpesviruses

Herpesviruses

Herpesviruses. 100 nm. Herpesvirus structures are unique, with tegument layer present and genomic DNA wrapped around core. Herpesviridae. Large family of large, complex viruses Infect vertebrate hosts Three subfamilies: Alphaherpesvirinae, 2 genera Betaherpesvirinae , 3 genera

By mauli
(244 views)

Paramyxoviridae

Paramyxoviridae

Paramyxoviridae. All members initiate infection in RT Parainfluenza & RSV Remain limited to respiratory epithelium Mumps & measles become disseminated throughout the body and produce generalized disease. PARAMYXOVIRIDAE. PARAMYXOVIRIDAE Two sub- families. Paramyxovirinae Pneumovirinae.

By alyn
(357 views)

Central dogma: Information flow in cells

Central dogma: Information flow in cells

Central dogma: Information flow in cells. Nucleotides. Pyrimidine bases: Cytosine (C), Thymine (T), Uracil (U, in RNA) Purine bases: Adenine (A), Guanine (U). Prokaryotic gene coding. Eukaryotic processing of rRNA. A-T hydrogen bonding. G-C hydrogen bonding. Genetic Elements.

By Patman
(163 views)

Virus & Bacteria Jeopardy!

Virus & Bacteria Jeopardy!

Virus & Bacteria Jeopardy!. Viruses $100. Describe the basic structure of a virus. Infectous particles consisting of a nucleic acid (DNA or RNA)enclosed in protein coat , and in some cases a membranous envelope. Return. Viruses $200.

By vinson
(264 views)

Family: Picornaviridae ( Enteroviruses ).

Family: Picornaviridae ( Enteroviruses ).

Family: Picornaviridae ( Enteroviruses ). Dr. Mohammed Arif Associate professor Consultant virologist Head of the virology unit. Structure. Picornaviruses = small RNA viruses . Picorna viruses are small, 20-30 nm, icosahedral particles. Unenveloped.

By patsy
(233 views)

siRNA and Epigenetic

siRNA and Epigenetic

siRNA and Epigenetic. Asma Siddique Saloom Aslam Syeda Zainab Ali. Topics under discussion. Brief History Intro to different terms What is RNAi? What is siRNA? siRNA formation Difference between miRNA and SiRNA siRNA design Therapies Challenges Clinical trials. History.

By wynn
(128 views)

Lecture 1 PROKARYOTES AND VIRUSES

Lecture 1 PROKARYOTES AND VIRUSES

Lecture 1 PROKARYOTES AND VIRUSES. Viral Structure. Have viral genome of DNA/RNA (ss/ds) Viral genome is surrounded by capsid. Capsid is protein coat. Coat consists of 1 or >1 types of protein subunits arranged into rod-like/polyhedral shape.

By abrial
(124 views)

Fever

Fever

Partial stuff... Kulang pa yung data will add tom. Yung differentials yan yung most common sa philippines so i didn’t include na yung mga weird. Tas the others nakalagay sa nelsons under ng AGE so naguluhan ako ?. Fever.

By eadoin
(201 views)

SHAPE analysis of viral RNA transcripts

SHAPE analysis of viral RNA transcripts

SHAPE analysis of viral RNA transcripts Daniel Hodges, Tara Seymour, Emily Spurlin, and Rebecca Alexander Department of Chemistry, Wake Forest University.

By qamar
(135 views)

Writing an introduction: Added Value Talk for Virology Students 5/13/2013

Writing an introduction: Added Value Talk for Virology Students 5/13/2013

Writing an introduction: Added Value Talk for Virology Students 5/13/2013. Anne Simon. Introduction Regulation of gene expression is an essential cellular process that occurs at multiple levels including translation of mRNAs into proteins.

By rafer
(84 views)

Virology Introduction to viruses

Virology Introduction to viruses

Virology Introduction to viruses

By evers
(127 views)

Viruses

Viruses

CHAPTER 18. Viruses. Page 328. 1- Viruses are much smaller than bacteria. 2- Virus is about 20nm in diameter. 3- Viruses are not cells. 4- A virus is a genome حامض نووى enclosed in a protective coat غطاء واقى. Fig. 18.1, Page 329. Genome ( DNA/RNA ). Protein coat ( capsid ).

By damisi
(184 views)

Translational efficiency of Dengue 		 	Virus(DEN) and DEN variants in cells.

Translational efficiency of Dengue Virus(DEN) and DEN variants in cells.

Translational efficiency of Dengue Virus(DEN) and DEN variants in cells. . Andrew Regan - Microbiology. DREHER LAB - ALS1065. Dengue Virus. Vectored by mosquito. Dengue Virus. DEN infection causes: Dengue Fever (DF) fever, headache, rash, muscle pain .

By tuvya
(138 views)

Viral Vectors

Viral Vectors

Viral Vectors. May 8. Viral vectors. Herpes simplex virus amplicons Adenovirus vectors Lentivirus vectors. Herpes simplex virus amplicons. HSV replicative cycle. cell-cell spread. inclusion body. suppression of class I MHC. HSV amplicons. cloning site. defective virus. promoter.

By lowri
(300 views)

Chapter 18

Chapter 18

Chapter 18. The Genetics of Viruses and Bacteria. Viruses and bacteria are the simplest biological systems. Bacterial cells are much smaller and simpler than those of eukaryotes Viruses are even smaller and simpler, lacking the structure and metabolic machinery of cells.

By kasen
(97 views)

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