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34 terms

Bio 100- Bacteria Vocab

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Substrate
An accepting surface
Flagellum
Tail like protruding structure which assists with movement
Capsule
Layer outside of the cell wall in bacteria
Cell Wall
Rigid layer surrounding the cell membrane
Ribosome
Organelle which produces proteins
Cytoplasm
Gel like substance which contains cell DNA
Pilli
Small hair like protrusions from the cell which assist in movement- look fuzzy
Heterotrophic
Bacteria acquire vital nutrients from their environment
Saphrophyte
Consumes dead mater- type of heterotroph
Parasite
Consumes living matter- type of heterotroph
Most bacteria are...
Saphrophytes
Autotrophic
Bacteria synthesize their own food
Photoautotrophic
Bacteria synthesize food from the energy from light
Chemoautotrophic
Bacteria synthesizes food from inorganic salt deposits
Binary Fission
Bacterial duplication of DNA and cell division
What is the reproduction rate of E. Coli?
Doubling in size every twenty minutes
Most bacteria are ______ and don't cause humans _____.
Saphrophytes; Harm
Bordetella pertussis
Whooping Cough- 10% mortality rate; rising steadily due to anti vaccination panic
Borrelia borgdorfei
Lyme Disease- spread by deer tick
Yersinia pestis
Bubonic Plague- killed 70% of Europe
E. Coli 0157:H7
Food Poisoning- causes kidney failure and death
Salmonella
Food Poisoning- potentially fatal to those with compromised immune systems
Clostridium botulinum
Botulism Poisoning- spores form without oxygen; creates neuro-toxin; used in Botox injections
Listeria monocytogenes
Food Poisoning- highest fatality rate of food poisoning; 16 recent deaths in the US
Methicillin-resistant Staphylococcus aureus
Staph Infection (MRSA)- resistant to antibiotics; infection occurs in community settings
Virus
Nonliving infectious particle of DNA/RNA surrounded by a protein coat
Viruses require a _____ to ______.
Host; Reproduce
A virus injects _________ into the host to make the cell reproduce __________.
Genetic Material; More Viruses
Herpes Simplex
Causes sores- Type 1 causes sores of the mouth; Type 2 causes sores of the genitals
Rhabdovirus
Rabies- 100% fatality rate if not treated with series of injections; spread by bodily fluids
HIV
AIDS- RNA virus that masks the body's immune system
Polio Virus
Neuromuscular infection- Causes paralysis; Transmitted by fecal contaminated water
Ebola Virus
Hemorrhagic Fever- Causes bleeding from major orifices; 50-90% fatality rate
Human Papilloma Virus
Can cause cervical cancer; major strands prevented with vacciene