In bubonic plague, buboes are swellings formed in the lymph nodes and filled with
A) Yersinia pestis.
B) Rickettsia prowazekii.
C) Xenopsylla cheopis.
D) Clostridium tetani.
Answer: A
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A neurologist diagnosis a patient with damage to the hippocampus. This observation is consistent with the difficulties the patient reports with
A. forming memories of recent events. B. effectively coordinating movements once initiated. C. planning movements. D. maintaining a steady and regular heartbeat. E. perceiving tactile stimulation from different regions of their body.
Bacteria in our mouths feed off the sugars in foods that we eat. As these bacteria ferment the sugars, they generate a product that can cause dental cavities. What is this product?
A) Lactic acid B) Citric acid C) Acetyl CoA D) Hydrochloric acid E) Pyruvate
Helicobacter pylori is readily demonstrated by a Romnowsky type stain
a. true b. false
The plant coleus has three distinct leaf color phenotypes: green, white, and variegated (white and green mixed) the crosses are made as follows:
female variegated leaves × male green leaves gives offspring with all variegated leaves female green leaves × male with white leaves gives offspring with all green leaves female with white leaves × male with variegated leaves gives offspring with all white leaves This is an example of ________. A) maternal effect B) cytoplasmic inheritance C) genomic imprinting D) Mendelian inheritance E) X-linked recessive disorder