Nature

Why are chloroplasts green?

November 24, 2025 · caitlin

Chloroplasts are green because they contain chlorophyll, a pigment essential for photosynthesis. Chlorophyll absorbs light most efficiently in the blue and red parts of…

How do cell colors differ between species?

November 24, 2025 · caitlin

Cell colors can vary significantly across different species due to a variety of factors such as pigmentation, structural coloration, and environmental influences. Understanding these…

Why are some cells transparent?

November 24, 2025 · caitlin

Some cells are transparent to allow light to pass through them, which is essential for processes like photosynthesis in plants and vision in animals.…