Use the following diagram of a hypothetical food web to answer the following questions. The arrows represent the transfer of food energy between the various trophic levels.

Which letter represents an organism that could be a producer?

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#Question id: 698

#Unit 1. Molecules and their Interaction Relevant to Biology

Amino acid residues commonly found in the middle of B turn are:

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#Question id: 11183

#Unit 10. Ecological Principles

Which of the following is an example of a density-independent mechanism?

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#Question id: 4662

#Unit 3. Fundamental Processes

Transcriptional activation by Pol II initiates transcription, polymerase pauses after transcribing fewer than 100 nucleotides due to the action of the elongation inhibitor such as

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#Question id: 11375

#Unit 10. Ecological Principles

Productivity per day (NPP per ground area per day) four different ecosystems

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#Question id: 26451

#Unit 3. Fundamental Processes

Which of the following characteristics of sigma affect non specific binding of the core