Scientists have been perplexed by the signals plants transmit to start photosynthesis, the process of converting sunlight into sugars, for decades. Academics from UC Riverside have finally cracked these earlier enigmatic communications. The nucleus, the administrative centre of a plant cell, sends messages to other cell parts compelling them to continue photosynthesis, as botanists have known for 50 years. These instructions are carried by proteins, and without them, plants cannot become green or grow.
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