Bacterial biofilms are important medically because:
a. They may form on catheters
b. They are resistant to treatment with antibiotics
c. They can form dental plaque
d. They are resistant to immune defenses
e. All are correct
Answer: e. All are correc
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The subunits of a ribosome are referred to as being 40S. The "S" refers to ________.
Fill in the blank(s) with the appropriate word(s).
The most likely identification of a bile-resistant, kanamycin-resistant, colistin-resistant, and vancomycin-resistant anaerobic gram-negative bacilli is:
a. nonpigmented Prevotella. b. Porphyromonas spp. c. B. fragilis group. d. Fusobacterium spp.
The disease in the above photograph is caused by
a. syphilis. b. gonorrhea. c. chlamydia. d. all of these. e. none of these.
The citric acid cycle occurs in the __________ of cells and is an __________ process.
a. cytosol? aerobic b. mitochondria? aerobic c. mitochondria? anaerobic d. cytosol? anaerobic