Which of the following statements about leprosy is FALSE?
A) It is rarely fatal.
B) Patients with leprosy must be isolated.
C) It is transmitted by direct contact.
D) Diagnosis is based on skin biopsy.
E) The etiologic agent is acid-fast.
B
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Which of the following statements is FALSE?
A) Microbial cells exist as single cells. B) Microbial cells carry out their life processes of growth independently. C) Microbial cells include both bacteria and viruses. D) Microbial cells exclude the cells of plants and animals.
The primary producers for hydrothermal vent ecosystems are
a. chemoautotrophs b. chemoheterotrophs c. phytoplankton d. cyanobacteria e. algae
A key difference between transforming plant cells and human cells is
A. DNA cannot be introduced into human cells. B. Agrobacterium is commonly used as a tool to directly transform plant cells but not human cells. C. a vector is needed to introduce DNA into human cells and not plant cells. D. genes to be expressed in human cells require a eukaryotic promoter, and genes to be expressed in plants don't.
A patient with systemic bacterial infection develops high blood pressure, and the urine output declines, but what urine is passed contains blood. The patient does not experience pain with urination. These signs are consistent with
(cystitis/glomerulonephritis/urethritis). What will be an ideal response?