In an ecosystem, which measure of energy is the largest in amount or rate?
a. net primary productivity
b. gross primary productivity
c. plant respiration
d. animal respiration
e. plant and animal respiration combined
b
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Plasma is the fluid portion of blood
Indicate whether the statement is true or false.
One hypothesis holds that complex organic compounds formed near deep-sea
a. silt mounds. b. hydrothermal vents. c. caverns. d. crevices. e. rock outcrops.
What is the -35 consensus sequence for the following sequences?
A) TTGATA B) TATGAT C) TATTAT D) ACAA E) TAGTAT
Genetic regulation in eukaryotes can take place at a variety of levels from transcriptional to posttranslational. At what level is genetic regulation considered most likely in prokaryotes?
A) transcriptional B) intron processing C) capping D) polyadenylation of the 3' end of the mRNAs E) exon processing