pathogens spec 1b-1.4
pathogen = an __________ that causes _________. _________ _________ ________ ___________ can all be pathogens
microorganism, disease, virus, bacteria, fungi, protoctist
salmonella
bacterium, food poisoning
plasmodium
protoctist, maleria
pneumococcus
bacteria, pneumonia
ringworm
fungus, skin infection
tobacco mosaic virus
virus, affects plant leaves
Athelete's foot
fungus, itchy feet
viruses are not considered living organisms bc they dont do MRS H GREN. a virus ________ by _________ the _______ __________ and ________ over it's ________ ________ to make more ________ _________. after many __________ __________ have been made, the _______ ___________ _________ and the __________ are ___________ to _________ more _________.
reproduces, entering, host cell, taking, genetic, machinery, virus, particles, virus particles, host cell, dies, particles, released, infect, cells
virus features: 1. not living organisms made from ______, but they're _______ _____________ and _________ than _________. 2. they're ____________ and can only _______ inside ________ _______. 3. no ___________ __________ but have a _________ ____________ and contain __ type of __________ ___________ (either _ _ _ or _ _ _
cells, smaller, particles, smaller, bacteria. parasitic, reproduce, living, cells. cellular structure, protein, coat, 1, nucleic, acid, DNA, RNA
HIV - human immunodeficency virus causes the illness AIDS (Acquired Immune Deficency Syndrome). HIV attacks the _________ ___________ itself, so it cannot _________ pathogens. This disease is life-threatening and cannot be _________.
immune system, fight, cured
Tobacco Mosaic Virus - TMV ___________ the ______ __________, interfering with the ability of the tobacco plant to make ______________, causing mottled patches to develop on the leaves
infects, plant, cell, chloroplasts
Influenza - Causes the flu disease. The virus _________ the ________ _________, specifically the __________ system (the nose, throat and lungs). Usually, the body's immune system ________ the virus and the person recovers. Sometimes, the virus ___________ be destroyed by the immune system ___________ enough, and it may cause damage.
infects, host, cell, respiratory, destroys, cannot, quickly