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levacccp [35]
3 years ago
15

The diagram shows an ocean food web. Which organism is a primary consumer?

Biology
2 answers:
Olegator [25]3 years ago
4 0
I think A) krill,,,,,,,,,,,,,,,,,,,,,,,,
Marianna [84]3 years ago
3 0
Krill, cod and zooplankton. They are the first consumers. (Phytoplankton is a producer.j
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The photosynthetic pigments bacteriorhodopsin and proteorhodopsin are present in ________ and ________, respectively. The photos
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A. Archaea / Bacteria

Explanation:

Bacteriorhodopsin is a protein used by Archaea, most notably by halobacteria, a class of the Euryarchaeota. It acts as a proton pump; that is, it captures light energy and uses it to move protons across the membrane out of the cell

Bacteriorhodopsin is an integral membrane protein usually found in two-dimensional crystalline patches known as "purple membrane", which can occupy up to nearly 50% of the surface area of the archaeal cell.

Proteorhodopsin also known as pRhodopsinbis a family of over 50 photoactive retinylidene proteins, a larger family of transmembrane proteins that use retinal as a chromophore for light-mediated functionality, in this case, a proton pump

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Describe a feedback loop?
satela [25.4K]

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A feedback loop is a biological occurrence where the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback).

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