The secondary stage of syphilis
A. occurs within 10 days of the primary stage.
B. is when the patient is no longer infectious to others.
C. has no symptoms.
D. is a time when the pathogen enters and multiplies in the blood.
E. is when gummas develop in tissues.
Answer: D
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A researcher is measuring atmospheric CO2 levels on cloudy and sunny days. He notices that on sunny days, CO2 levels appear slightly higher compared to levels on cloudy days. This is an example of:
A. causation. B. fluxation. C. correlation. D. conjugation. E. assimilation.
What are some similarities between cephalopods and vertebrates?
What will be an ideal response?
Megadiversity countries are those countries that
A. have the greatest number of species. B. have the largest number of endemic plant species. C. have the highest ecosystem diversity. D. spend the most money on conservation. E. contain the highest genetic diversity.
Modular portions of a protein that fold into stable conformations with specific functional capabilities are referred to as ________
A) protein chaperones B) protein secondary structures C) protein quaternary structures D) protein domains E) protein subunits