Which of the following is not a possible explanation for the origin of autoimmune diseases?
A. Forbidden clones
B. Sequestered antigens
C. Molecular mimicry
D. The gut microbiome
E. All the choices are currently being investigated as possible explanations.
Answer: E
Biology & Microbiology
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A) shoots B) adventitious roots C) stems D) leaves
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Which structure in plants acts most like embryonic stem cells in animals?
What will be an ideal response?
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Flies from populations at fluctuating temperatures should have evolved the greatest capacity for acclimation.
a. true b. false
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What is a source of genetic variation?
A. mutation B. adaptation C. replication D. transcription
Biology & Microbiology