Answer all of the following true/false questions: Please use A (True) and B (False) for your answers. Antibiotics can be used to treat viral infections. Gram positive bacteria stain pink; Gram negative bacteria stain purple when using the Gram- staining technique. Gram staining color results are based on differences in the bacterial cell wall composition. Peptidoglycan is a glycoprotein found in all forms of life. Penicillin only works in bacterial cells that are undergoing mitosis. Vaccines cause autism and other severe developmental difficulties. Effective hand washing (in warm water, with soap, and for a time frame of 2 minutes) can prevent most common infections.
Answer all of the following true or false questions:
True / False: Choose the answer that best fits each statement. write A (true) or B (False) next to the number for the question on the test.
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The presence of Escherichia coli in water is used as an indication of fecal contamination.
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The Vibrio species are characterized as being curved, gram negative bacteria with polar flagella.
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Chlamydia, Rickettsia and Mycoplasma are all obligate intracellular
parasites. -
Neisseria, Staphylococcus, and Streptococcus are all gram-positive cocci.
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Tetanus, botulism, and diphtheria are diseases caused by gram positive, soil-dwelling, spore-
forming rods.
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Most togaviruses are transmitted to humans via insect bites.
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The reason why dogs do not get measles is because their cells lack the correct receptor sites for
that virus.
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Glycoprotein spikes are found on the capsids of viruses.
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A naked virus lacks a capsid.
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The polioviruses and hepatitis A virus are transmitted by contaminated food or water.
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Staphylococcus grows best in a high salt environment.
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Streptococcus is killed by growing on blood agar.
Answer all of the following true/false questions:
Please use A (True) and B (False) for your answers.
-
Antibiotics can be used to treat viral infections.
-
Gram positive bacteria stain pink; Gram negative bacteria stain purple when using the Gram-
staining technique.
-
Gram staining color results are based on differences in the bacterial cell wall composition. -
Peptidoglycan is a glycoprotein found in all forms of life.
-
Penicillin only works in bacterial cells that are undergoing mitosis.
-
Vaccines cause autism and other severe developmental difficulties.
-
Effective hand washing (in warm water, with soap, and for a time frame of 2 minutes) can prevent most common infections.
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