The name of the "tailbone" is the
A. coccyx.
B. lumbar.
C. sphinoid.
D. sacrum.
E. axis.
Answer: A
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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
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.
Photorespiration is a wasteful process that could be largely avoided if rubisco would bind only CO2
__________________ Indicate whether the statement is true or false.
Sulfate reduction in MOST anoxic environments is limited by
a. oxygen concentrations. b. sulfate availability. c. hydrogen concentrations. d. light availability.