Complement proteins
A. are hormones found in the blood.
B. do not attract neutrophils, monocytes, macrophages, or eosinophils.
C. are on the surface of macrophages.
D. can form holes in the plasma membrane of target cells.
E. may cause the release of interferon.
Answer: D
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Using the figure below, identify the labeled part.
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Which of the following forms when blood vessels form in the chorion, around the periphery of the blastocyst?
A) allantois B) placenta C) blastocoele D) amnion E) trophoblast
Which of the following is inserted on the calcaneus by the Achilles tendon?
A. tibialis posterior B. peroneus longus C. peroneus brevis D. extensor digitorum longus E. gastrocnemius
In the cerebral cortex, which cells process information on a local level?
A) Pyramidal B) Ependymal C) Stellate D) Purkinje