MCB 3020 Chapter Notes - Chapter 5.3: Electron Microscope, Viral Envelope, Non-Cellular Life
Document Summary
Chapter 6: viruses and other acellular infection agents. 6. 1: viruses: defines the terms virology, bacteriophages, and phages, list organisms that are hosts to viruses. Acellular agents: viruses protein and nucleic acid, viroids only rna, satellites only nucleic acids, prions proteins only. Also importance as a new source of therapy. Move organic matter from particulate to dissolved. Important in evolution transfer genes between bacteria, others. Consists of 1 molecule of dna or rna enclosed in coat of protein. Cannot reproduce independent of living cells nor carry out cell division. Virions infect all cell types: bacterial viruses called bacteriophages (phages, few archaeal viruses, most are eukaryotic viruses. Plants, animals, protists, and fungi: classified into families based on. Genome structure, life cycle, morphology, genetic relatedness. Virion structure: state the size range of virions. Identify the parts of a virion and describe their function: distinguish enveloped viruses from nonenveloped viruses, describe the types of capsid symmetry.
