Bios 242 Final exam 2

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Bios 242 Final exam 2

• The study of the cause of disease is called

–Answer

–Answer Etiology

• Microorganisms characterized by the presence of a nucleus are called

–Answer

–Answer Eu- karyote

• Which of the following may have cell walls containing lipopolysaccharide?-

–Answer Gram-Negative (E.Coli)

• Which of the following types of microbes might be found in the hydrothermal vents?

–Answer Archea

• A stiff spiral shaped bacterium is called a

–Answer

–Answer Spirillum

• The gram stain works because of the difference in the of bacteria

–Answer Cell walls

• Bacterial cells are usually a few in size

–Answer micrometers 1 / 2

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• A(n) organism that cannot survive in the presence of oxygen

–Answer Obligate Anaerobe

• During which growth phase are bacteria more susceptible to antimicrobial drugs?

–Answer Log Phase

• Which of the following have external structures containing a periplasmic space?

–Answer Gram-Negative Bacteria

• Pyruvic acid is the end product of which of the following?

–Answer Glycolysis

• Which of the following is a protozoan stage that allows for transmission of intestinal

parasites from one host to another?–Answer Cyst

• Extracellular state of virus is also known as?

–Answer Virion

• A scientist develops a new medication that is a protein compound and that must be

administered by injection. Which of the following would be the most effective and safest means of preparing a sterile solution of the new medication?–Answer Filtration

• Which of the following groups of drugs can become incorporated into the teeth and bones

of a fetus?–Answer Tetracyclines

• It is inappropriate to prescribe antibacterial agents to treat colds or flu because

–Answer These diseases are caused by viruses

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