Use the following diagram of a hypothetical food web to answer the question. The arrows represent the transfer of energy between the various trophic levels. Which letter represents an organism that could only be a primary consumer and secondary carnivores respectively?

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#Question id: 19045

#Unit 13. Methods in Biology

The process of passing a mobile phase through a chromatography column is called which one of the following?

TLS Online TPP Program

#Question id: 19046

#Unit 13. Methods in Biology

Which of the following techniques is used to study the three-dimensional structure of a molecule?

TLS Online TPP Program

#Question id: 19047

#Unit 13. Methods in Biology

Paper Chromatography is a physical method that is used to separate__________

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#Question id: 19048

#Unit 13. Methods in Biology

HPLC, the analytical performance improves when 

TLS Online TPP Program

#Question id: 19049

#Unit 13. Methods in Biology

What is the nature of mobile phase in reverse phase chromatography? 

TLS Online TPP Program

#Question id: 19050

#Unit 13. Methods in Biology

The relative adsorption of each component of the mixture is expressed in terms of its