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CLEP Biology Practice Test
Multiple Choice
CLEP Biology
Multiple Choice Practice Test
Question 1 of 3
40% Get this Question Right
Engrailed proteins are
A
Signaling molecules
B
Transcription factors
C
Ubiquitins
D
Tethering proteins
E
Carrier proteins
Engrailed proteins are transcription factors which play a major role in brain development in many species. They determine the midbrain/hindbrain border and aid in neuronal axon guidance.
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