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A researcher placed a culture of cyanobacteria under green lights. Within a few weeks, the appearance of the cyanobacteria changed from green to red. The researcher claimed the color change in the culture was the result of an adaptation allowing greater photosynthesis. Which of the following provides the best reasoning to justify the researcher's claim? In green light, cyanobacteria that have more allophycocyanin molecules are more likely to survive and reproduce In green light, more chlorophyll a molecules are produced, reflecting more light to other cyanobacteria to be used for photosynthesis. In green light, cyanobacteria that have more phycocyanin molecules are less likely to survive and reproduce. In green light, more phycoerythrin molecules are produced, allowing more green light to be absorbed, thus increasing photosynthesis.

Answer :

Cyanobacteria contain many different colourants. Green light causes the production of additional phycoerythrin molecules, which promotes photosynthesis by allowing more green light to be absorbed.

What exactly are cyanobacteria?

Photosynthesis is the process through which the phylum of gram-negative bacteria known as cyanobacteria, or cyanophyta, generates energy. They are a member of a class of microorganisms that are related to bacteria and are capable of photosynthesis. They are believed to be the planet's first known prokaryotic life form.

What hues do cyanobacteria produce?

Phycobiliproteins (phycoerythrin, phycocyanin, and allophycocyanin), carotenoids (lutein, lycopene, astaxanthin, and fucoxanthin), and scytonemin are some of the photosynthetic pigments employed by cyanobacteria.

To learn more about cyanobacteria:

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