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TLS Online TPP Program

#Question id: 12603

As big as it is, the ocean is nutrient-limited. If you wanted to investigate this, one reasonable avenue would be to

#Unit 10. Ecological Principles
  1. Follow whale migrations in order to determine where most nutrients are.
  2. Observe Antarctic Ocean productivity from year to year to see if it changes.
  3. Experimentally enrich some areas of the ocean and compare their productivity to that of untreated areas. 
  4. Compare nutrient concentrations between the photic zone and the benthic zone in various locations
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TLS Online TPP Program

#Question id: 18874

#Unit 9. Diversity of Life Forms

Plant spores are produced directly by  
TLS Online TPP Program

#Question id: 1532

#Unit 4. Cell Communication and Cell Signaling

For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. Which of the following types of evidence will researchers be looking for in order to determine if the cells are cancerous?
TLS Online TPP Program

#Question id: 1550

#Unit 4. Cell Communication and Cell Signaling

IL-4 responsible for class switch recombination (CSR) into,
TLS Online TPP Program

#Question id: 12099

#Unit 10. Ecological Principles

According to the competitive exclusion principle, two species cannot continue to occupy the same
TLS Online TPP Program

#Question id: 21277

#Unit 12. Applied Biology

Which one of the following is a carbon nanotube bent in a torus shape that is doughnut shape?