Of the 64 triplet combinations in the genetic code, ____________________ code(s) for amino acids and
____________________ code(s) for the signal that ends protein synthesis. Fill in the blank(s) with the appropriate word(s).
61; 3
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Sometimes cultural change can drive biological evolution
A. true B. false
An inhibitor of mitosis would most likely have the greatest effect on the ____________________ of a plant
A. meristems B. construction of cell walls C. cells of the vascular tissue D. gastrula
Sandpipers are known to: a. be territorial of their beaches
b. feed on worms and fish. c. be very solitary birds. d. make long annual migrations.
In lakes, the nutrient-rich water near the shore, where primary producers are attached to the lake bottom, is part of the ____.
A. benthic zone B. abyssal zone C. limnetic zone D. littoral zone E. profundal zone