Terms in this set (18)
Cell walls lack peptidolycan--contains membranes lipids not found in any other living things--live in extremely harsh enviroments--ex oxygen free (thick mud,volcano vents,great salt lake,hot springs
Identified by shape-bacilli: rod shaped prok's, cocci: spherical prok's, spirilla: spriral and corkscrew shaped prok's --cell walls:archaebacteria/eubacteria--movement: some move some dont- flagella "spiral or snake forward, glide like slime like material they secrete
Foods and beverages, removal of waste and poisons from water, mining minerals from the ground
Synthesis of drugs and chemicals via genetic engineering, production of vitamins in human intestines
Compounds that block the growth and reproduction of bacteria ; not effective against viruses
a virus that parasitizes a bacterium by infecting it and reproducing inside
A capsid is the protein shell of a virus. It consists of several oligomeric structural subunits made of protein called protomers. The observable 3-dimensional morphological subunits, which may or may not correspond to individual proteins, are called capsomeres. The capsid encloses the genetic material of the virus.
any spherical or roughly spherical bacterium.
the formation or existence of a link or connection between things, in particular
a resistant asexual spore that develops inside some bacteria cells.
the inner layer of the membrane or wall of some spores and pollen grains.
The distinction between lysogenic and lytic cycles is that the spread of the viral DNA occurs through the usual prokaryotic reproduction, while the lytic phage is spread through the production of thousands of individual phages capable of surviving and infecting other cells
A prion ( i/ˈpriːɒn/) is an infectious agent, composed entirely of protein, presumed to be the cause of the transmissible spongiform encephalopathies
A prokaryote is a single-celled organism that lacks a membrane-bound nucleus (karyon), mitochondria, or any other membrane-bound organelle.
a substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.
an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
"a virus infection"
any of a group of RNA viruses that insert a DNA copy of their genome into the host cell in order to replicate, e.g., HIV.
a bacterium with a rigid spiral structure, found in stagnant water and sometimes causing disease.
Basic structure of a cell
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.
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