And the scientists think this could be a pyrenoid, a kind of protein in algae chloroplasts that’s involved in making starch, which lets them store up carbon during photosynthesis.

认为这可能是淀粉核，一种存于藻类叶体中的蛋白质， 参与淀粉的生成， 使它们能合作用过程中储存碳。