Certain appendages of insects evolved into broad,
thin extensions for the purpose of
a. walking.
b. flight.
c. feeding.
d. copulation.
e. swimming.
Answer: b
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Ribosomes can attach to prokaryotic messenger RNA _____
A) once post-transcriptional modification is complete B) before transcription is complete C) once replication is complete D) once the primary transcript has been released from RNA polymerase
What type of inheritance pattern does achondroplasia exhibit?
a. Autosomal recessive b. Autosomal dominant c. X-linked recessive
What is an undersea mountain called?
a. seamount b. sea caste c. trench d. estuary e. none of these
In pedigree charts, autosomal recessive disorders typically Select one:
a. seem to disappear in one generation, only to reappear in the next generation. b. occur every third generation. c. appear in every generation. d. appear only in females. e. appear only in males.