The corkscrew-shaped bacterium ________ is vectored by ticks into humans and eventually may cause nervous system issues
A) Borrelia burgdorferi
B) Yersinia pestis
C) Clostridium botulium
D) Escherichia coli
E) Clostridium tetani
A
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Now compare your answer to 4c to your answer to 3c. With the passage of time, have A1 and A2 become more or less genetically distinct?
A. more genetically distinct B. less genetically distinct
In sickle cell disease, malformation of red blood cells is caused by only one mistake for one amino acid in the genetic code for hemoglobin.
a. true b. false
When a phosphate group is removed from an ATP molecule,
A.) a substantial amount of energy is released. B.) an enzyme if formed. C.) energy is stored. D.) a substantial amount of energy is used.
A sick child may have influenza or RSV. These virus infections have different treatment options, so the physician requests antibody titer tests. The results are as follows: anti-influenza antibodies are primarily IgM, and anti-RSV antibodies are all IgA and IgG. Which of the following is the most appropriate interpretation?
A) The child has a current RSV infection and was previously exposed to influenza. B) The child currently has influenza and has previously been exposed to RSV. C) The child has concurrent influenza and RSV infections. D) The child has neither influenza nor RSV. E) The results do not provide sufficient data to draw a conclusion.