because virtually all tissues of the plant descend from small groups of stem cells located in their growing apices, within structures called the apical meristems (Sablowski 2004; Scheres 2007 ...

Leaves Leaves take in the sunshine and turn it into food for the plant. Stem The stem holds up the plant and carries water and nutrients to the leaves. Roots Roots keep the plant in the ground and ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...

Purdue University scientists have discovered a key mechanism that regulates how plants develop chloroplasts, essential ...