Use the following information to answer the question.

Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?

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#Question id: 31090

#Unit 4. Cell Communication and Cell Signaling

Intramitochondrial calcium directly increases the activities of three mitochondrial enzymes, except:

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#Question id: 11950

#Unit 7. System Physiology – Animal

In a normal young man, what is the maximum pressure that can be achieved within the corpora cavernosa during a sexual experience?

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#Question id: 11171

#Unit 10. Ecological Principles

Starlings often decorate their nests with sprigs of carrot leaves because

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#Question id: 5772

#Unit 8. Inheritance Biology

A missense mutation in Neurospora will revert by treatment with nitrous acid (causes transversions), but not by hydroxylamine (causes AT -> GC transitions). The original mutation (not the reversion) must have been

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#Question id: 1949

#Unit 4. Cell Communication and Cell Signaling

IgG in patients with rheumatoid arthritis has abnormal: