Vertebrates have which of the following
characteristics?
a. endoskeleton
b. vertebral column
c. well-developed organs
d. larger brains
e. all of these
Answer: e
Biology & Microbiology
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d. N2 only e. both N2 and NH4+
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One possible fate for an exogenote is ________.
A. independent replication and functioning B. integration into the host chromosome C. degradation to nucleotides D. All of the choices are correct.
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How many genes does the yeast nuclear genome contain?
a. 1000 b. 6000 c. 10,000 d. 20,000
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Barnacles are filter-feeding molluscs that live by filtering plankton from seawater. This is a description of the barnacles':
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