Bio 100- Bacteria Vocab

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34 terms

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

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