Cryptochromes are light-sensing proteins in plants that help control growth and daily rhythms. They respond mainly to blue light and play a role in how plants develop, when they grow, and how they keep track of day and night cycles. For plant parents, they help explain why plants grow differently under various lighting conditions and follow regular patterns like opening or closing leaves. In simple terms, cryptochromes act like the plant’s internal clock and blue-light sensor, helping it stay on schedule and grow properly.
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