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Ch 4 Vocab

Bio B

TermDefinition
Virus Made of a chromosome like part surrounded by a protein coat
Bacteria Very small one celled moneran that does not have a nucleus
Moneran One celled organism
Blue Green Bacteria One celled organism that contains chlorophyll and can make their own food (think algae)
Chromosome-like Part Carries hereditary material on a virus
Host Provides food for the parasite
Parasite Lives in or on the host to get food
AIDS Viral infection that destroys the body's immune system
White blood Cells Surround and destroy viruses and bacteria and make antibodies
Antibodies Chemicals that your body makes that destroy viruses or bacteria
Interferon Chemical substance that interferes with the way a virus reproduces
Vaccine Substance made from a weakened or dead virus to prevent a disease
Fission Process of one organism dividing into 2 organisms- Bacterial Reproduction
Asexual Reproduction Reproducing with only one parent
Capsule sticky outer layer on bacteria
Electron Microscope Used to view viruses since they are so small
Endospores Allows bacteria to survive under bad conditions, kind of like a force field around it
Saprophytes Organisms that use dead materials for food
Decomposers Living things that break down dead matter into simpler chemicals
Robert Koch Doctor that said bacteria causes diseases
Koch's Postulates Steps for proving that a disease is caused by a bacteria
Communicable Disease Can be passed from one organism to another
Antibiotics Chemicals that kill or slow the growth of bacteria (medicine you take)
Biotechnology The use of living things to solve everyday problems
Canning Heating food and then sealing it in a container to kill bacteria
Pasteurization Heating milk to kill bacteria
Freezing Slows the growth of bacteria with cold temperatures
Dehydration Removing water from food so that bacteria can't grow there
Antiseptics Chemicals that kill bacteria on living things like (Germ X on your hands)
Disinfectants Chemicals that kills bacteria on non living things (Clorox wipes on a table)
Flagellum Whip like tail that helps bacteria move
Created by: Ensmingern
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