Systemic lupus erythematosus (SLE or lupus) is distinct from other autoimmune disorders because

A. it is also a hypersensitivity disorder.
B. it involves an antibody response.
C. multiple organs and tissues are affected.
D. it may be triggered by an infection.
E. there is a genetic predisposition.


Answer: C

Biology & Microbiology

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Legume plants provide certain amino acids to the ________ so that they do not need to assimilate ________. In return, the bacteroids shuttle amino acids bearing the fixed nitrogen back to the plant.

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Which level of taxonomy encompasses all of the others?

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What is the maximum number of electrons in a shell?

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