The name of the "tailbone" is the

A. coccyx.
B. lumbar.
C. sphinoid.
D. sacrum.
E. axis.


Answer: A

Biology & Microbiology

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During the stringent response, ppGpp-regulated genes for amino acid biosynthesis have a(n) ________-rich promoter, thus forming a ________ open initiation complex.   

A. GC-rich; more stable B. AT-rich; less stable C. GC-rich; less stable D. AT-rich; more stable

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DNA sequencing can reveal

A) mutations that do not alter phenotype. B) mutations that do not alter genotype. C) which tissues express a gene. D) how many genes a person has.

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Photorespiration is a wasteful process that could be largely avoided if rubisco would bind only CO2

__________________ Indicate whether the statement is true or false.

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Sulfate reduction in MOST anoxic environments is limited by

a. oxygen concentrations. b. sulfate availability. c. hydrogen concentrations. d. light availability.

Biology & Microbiology