Slide 1 Slide 2 Slide 3 Fossil evidence shows that bacteria have been on the earth for over 3.5 billion years Three major shapes › Cocci (round) › Bacilli (rod-like)…
* Viruses Virus in latin means, âpoisonâ Definition- Infectious non-living particle that duplicates in the cells of an infected host. * Other definitions Epidemic- A disease…
INVADERS Chapter 24: Viruses Objectives: Summarize the discovery of viruses Describe why viruses are not considered living organisms Describe the basic structure of viruses…
Vivacious VirusesChapter 19*I. VirusCharacteristicsSmaller than a ribosomeCan form into regular crystals (cells wont do this)Made of Nucleic Acid - Genome is made of one…
PowerPoint Presentation Life cycle of Virus in animal cells Chu trình sống của virus trong tế bào CMV: cytomegalovirus DNA virus capable of incorporating into our…
Microbiology Viruses 1 Viruses Which Kingdom? 2 Viruses They are considered “lifeless”…why? They can NOT carry out metabolic and reproductive functions alone. They…
Chapter 18 Reading Quiz Which viral reproductive cycle destroys the host cell? A(n) ______ is a harmless variant or derivative of a pathogen that stimulates the immune system…
http://www.cellsalive.com/howbig.htm Ch 18 Microbial Models: Genetics of Viruses and Bacteria Virus- *biological particle (not a cell) *composed of nucleic acid (RNA or DNA)…
Chapter 5 The Microbial World Viruses Non-cellular infectious agents that have two basic characteristics: Not capable of reproduction without a host cell Structure: Nucleic…