On a scientific expedition into new territory, you discover a previously undescribed organism living within the very
hot environment of a geyser. This organism has a cell wall, is single celled, heterotrophic, and has no true nucleus. In
what kingdom would you most likely place this organism and why? What will be an ideal response?
Concepts to Consider: Characteristics of this organism indicate it is a prokaryote; its habitat
may indicate that it belongs to the kingdom Archaebacteria.
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The Reference Method for Broth Dilution Antifungal Susceptibility Testing of Filamentous Fungi; Approved Standard (M38-A2) describes the guidelines for antifungal susceptibility test-ing for molds. The suspension must be standardized with a spectrophotometer. Susceptibility testing is determined by which method?
a. Disk diffusion b. Microdilution c. Broth dilution d. Immunodiffusion
The most common infectious disease of humans is
A. the common cold. B. dental caries. C. hepatitis A. D. halitosis
Patients with McArdle's Disease lack an enzyme in their livers that catabolizes glycogen. These individuals tire easily during exercise. Which of the following would best explain this symptom?
A. Glycogen is produced from glucose in the blood and then stored in the liver. B. Glycogen synthesis increases the energy available to cells during exercise. C. Glycogen is released from the liver into the blood by the enzyme. D. Glycogen must be broken down to glucose to be used in metabolism.
Which of the following is a characteristic of prokaryotic cells?
a. They are generally multicellular. b. They have chloroplasts and mitochondria. c. The DNA is located in a condensed region called the nucleoid. d. They form complex tissues.