all cells a virus can infect viral genome -either DNA or RNA, not both -can be single or ds DNA or RNA -linear or circular -one of several pieces of nucleic acids capsids -large macromolecular structures which serve as protein coats of viruses ...
- infect NS --> cells in NS become paralyzed - can survive in digestive tract and affect other parts of the body -resistant to many chemicals and low pH - invade blood, lymph, and NS -same general classification as Rhinovirus what does Polio in infants look like ...
host range the spectrum of host cells a virus can infect tissue tropism Many viruses infect certain cell or tissue types within the host where can viruses reproduce? only inside a host cell Where is the virion located? outside of the host cell shapes of viral capsids? helical, icosahedral,...
spectrum of cells a virus can infect Cytopathic effects virus-induced damage to the cells that alters its microscopic appearance types of Cytopathic effects - Gross changes in shape and size - disorientation of individual cells - Intracellular changes (inclusion bodies and syncytia) ...
2. Can also bind to the RNA-dependent RNA polymerase to generate more ssRNA (-) which can be used to create more copies of ssRNA (+) and added into new viral particles 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政策 ...
why can some avian influenza strains directly infect humans? 2 why does HPAI cause systemic infection? 3 humoral vs CMI response in FIPV 4 NA 本學習集中的詞語(52) accumulation of non-lethal, point mutations by nucleotide substitutions antigenic DRIFT (influenza virus) ...
naked ssDNA viruscan enter nucleus in virion uses DdDp Retrovirus enveloped +sense RNA virus RNA in virion and uses RT in new cell, infects cell as RNA cellular DdRpRT Coronaviridae/Togaviridae/Matonaviridae/Flaviviridae enveloped +sense RNA virusviral proteasecellular RdRp Caliciviridae/Picornavirida...
- can infect both eukaryotic and prokaryotic cells Bacteriophages (phages) viruses that infect bacteria Virus structure Nucleic acid capsid (protein coat) Envelope Capsid -encloses and protects the viral genome from nucleases -may have fibers that assist the attachment of the virus to the host cells...
What can viruses infect? All forms of life: animals, plants, protists, fungi, and even some archaea and bacteria (bacteriophages) What do viruses come in? A variety of shapes and sizes (10-400 nm in diameter) meaning you typically need an electron microscope to view the viruses well like...
special proteins make the host cell burst; the new viruses can infect other cells release a bacteriophage virus attaches itself onto a bacteria virus Lytic infection a virus enters a bacterial cell; makes copies of itself; and causes the cell to burst lyse to burst prophage bacteriophage DNA tha...