[DOC] [TLE] Introduction to viruses - Wikipedia [PAR] A single, fully functional virus particle outside its host cell. Capsid[show]. The 
protein shell ... A virus consists of two or three parts: genes, made from either 
DNA or RNA, ... Viral infections can cause disease in humans, animals and even 
plants. .... Viruses force the cell to make new proteins that the cell does not need, 
but are... [DOC] [TLE] Microbiology Chapter 1 Flashcards | Quizlet [PAR] are single-celled organisms. ... are only composed of RNA AND cause diseases 
in plants. ... Viroids are naked (lacking a protein shell) pieces of DNA that infect 
plants. ... in Asia and the Middle East across the last 50 years, but not in the 
United States. .... Archaea are very similar to Bacteria and have rigid cell walls 
made of... [DOC] [TLE] Chapter 19: Viruses [PAR] Concept 19.1 A virus consists of a nucleic acid surrounded by a protein coat. 1. ... 
Even the largest known virus, which has a diameter of several hundred ... Single-
stranded RNA. 4. ... The protein shell enclosing the viral genome is called a 
capsid. .... Some viruses cause infected cells to produce toxins that lead to 
disease... [DOC] [TLE] Chapter 18 - The Genetics of Viruses and Bacteria | CourseNotes [PAR] Concept 18.1 A virus has a genome but can reproduce only within a host cell ... 
could be crystallized was puzzling because not even the simplest cells can 
aggregate ... They are infectious particles consisting of nucleic acid encased in a 
protein .... The infection of other cells by these new viruses causes cold or genital 
sores. [DOC] [TLE] Introduction to Pathogens - Molecular Biology of the Cell - NCBI ... [PAR] It is not surprising that many microorganisms have evolved the ability to survive ... 
acid (DNA or RNA) instructions, wrapped in a protective shell of proteins and (in 
... These range from single-celled fungi and protozoa (Figure 25-2C), through ... 
Many bacteria are normally benign but have a latent ability to cause disease in... [DOC] [TLE] virus | biology | Britannica.com [PAR] Jan 8, 2016 ... Both of these investigators found that a disease of tobacco plants could be ... 
viruses use their host cells for synthesizing viral nucleic acids and proteins. ... 
they are not plants, animals, or prokaryotic bacteria (single-cell organisms ... In 
many viruses, but not all, the nucleic acid alone, stripped of its capsid,... [DOC] [TLE] Virus Handout [PAR] usually not both) enclosed in a protein shell called a capsid. ... their role in 
disease. ... may be infected by viruses, and these viruses might cause a large 
part of marine ... Compared to cells, viruses only have a small amount of nucleic 
acid. ... composed of host cell membrane, but with viral proteins protruding 
through it to... [DOC] [TLE] Viruses facts, information, pictures | Encyclopedia.com articles about ... [PAR] These include spheres, ovals, worm-like forms, and even irregular (pleomorphic) 
arrangements. ... Viral proteins usually have a structural function, making up a 
shell around ... RNA viruses that do not have a DNA phase rarely use this 
mechanism. ... viruses cause disease by infecting a host cell and 
commandeering the host... [DOC] [TLE] Intro to viruses | Viruses | Viruses | Biology | Khan Academy [PAR] A virus is made up of a DNA or RNA genome inside a protein shell called a 
capsid. ... For instance, they have nucleic acid genomes based on the same 
genetic code ... Even though they can both make us sick, bacteria and viruses are 
very ... single-celled, but they are living organisms that do not depend on a host 
cell to... [DOC] [TLE] Virus and Bacteria Web lesson [PAR] A typical virus is made of a core of DNA or RNA surrounded by a protein coat 
called a capsid. To reproduce, a virus must invade, or infect, a living host cell. ... 
The Eubacteria contain all of the bacteria that cause disease as well as the 
bacteria that are beneficial ... Archaebacteria do not have peptidoglycan in their 
cell walls

Question: These disease-causers have a nucleic acid in a protein shell, but not even a single cell
Answer: Viruses