Grade 7 Science Bacteria Quiz Review

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11 Terms

1

Shape of bacteria

spheres, rods, spirals

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2

flagellum

bacteria with a tail-like structure

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3

bacteria do not have

a nucleus

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4

some bacteria is beneficial

true

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5

some bacteria make their own food

true

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6

bacteria in your digestive tract

helps to break down food

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7

antibiotic resistance

when bacteria mutates into strains that are not affected by certain types of medication

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8

pasteurization

kills the emzymes in milk and prolongs self life

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9

benefits of bacteria

used to make buttermilk and some cheeses, used to make fermented foods like sauerkraut, helps digest food.

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10

antibiotics

drugs that kill bacteria

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11

bacteria vs. virus

bacteria have a cell membrane, a virus has a protein coat. A virus cannot be killed by an antibiotic like bacteria can. Bacteria can reproduce on its own, while virus' need a host.

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