PPT-What is a virus Lecture One

Dept of Biology 2 nd year 2020 Mustansiriyah University References Virology principles and applications John Carter and Venetia Saunders 2013 Principles of Molecular Virology Alan J . Intro to IT. . COSC1078 Introduction to Information Technology. . Lecture 22. Internet Security. James Harland. james.harland@rmit.edu.au. Lecture 20: Internet. Intro to IT. . Introduction to IT. 11. Malicious Software. modified from slides of . Lawrie. Brown. Malware. [NIST05] defines malware as:. “a program that is inserted into a system, usually covertly, with the intent of compromising the . Malicious Software. modified from slides of . Lawrie. Brown. Malware. [NIST05] defines malware as:. “a program that is inserted into a system, usually covertly, with the intent of compromising the . Lecture . 4: Malware. CS3235 Lecture 4. 1. Review of Lecture 3. AES. Public-key cryptosystem: RSA. Application of cryptography. Cryptographic hash functions. Key exchange. Digital signatures. Certificates. modified from slides of . Lawrie. Brown. Malware. [NIST05] defines malware as:. “a program that is inserted into a system, usually covertly, with the intent of compromising the . confidentiality. , . 7,8. Dengue Viruses. The dengue viruses are members of the genus . Flavivirus.  in the family . Flaviviridae. . . Along with the dengue virus, this genus also includes a number of other viruses transmitted by mosquitoes and ticks that are responsible for human diseases. . Carcinogenesis. Carcinogenesis or . Oncogenesis. =. creation of cancer= normal cells are transformed into cancer cells= characterized by . a progression of changes on cellular and genetic level . that ultimately reprogram a cell to undergo uncontrolled cell division, thus forming a malignant mass.. DNA genetic material Historical perspectives. By. Dr. . Himanshu. . Bhushan. . Jaruhar. Assistants Professor, S. P. D. College, . Garhwa. Molecular biology. Unit 01 lecture o1. DNA genetic material Historical perspectives. The major virulence factor of . Corynebacterium diphtheriae. is. Ability to multiply within macrophage. Capsule. Endotoxin. Exotoxin. Neurotoxin . 2. Physician Assistant Review Lippincott Williams and Wilkins 2001. 29 This is part one of a three-part lecture on this topic. This lecture will focus on EVD in the West African setting. The training and information you receive in this course will not cover the use Dept. of Biology, 2. nd. stage, 2016-2017. 2. nd. semester. References. :. Virology: principles and applications, John Carter and Venetia Saunders, 2013.. Principles of Molecular Virology, Alan, J. . 2. nd. stage. Viruses have genome either DNA or RNA which is double-stranded (ds) or single-stranded (. ss. ).. Virions. can be categorized into four groups according to their structure: icosahedral (enveloped, naked) and helical (enveloped, naked).. Topics. Week l:. -Introduction and General characters of viruses. . (History ,definition, and importance of study). . Viral . structure. Virus . structure and morphology. composition . Dr.Luma. . amer. Viral genetics. Viruses are simple . creatures, . lacking an . energy-generating system . and having very limited . biosynthetic capabilities. . The smallest viruses have only a . few genes.