kerato- or kerat- also cerato- or cerat- pref. 1. Horn; horny: keratosis. 2. Cornea: keratectomy. [Greek kerÄto-, horn, from keras, kerÄt-; see ker- in Indo-European roots.] kerato- or before a vowel kerat- combining form 1. indicating horn or a horny substance: keratin; keratogenous. 2. (Medicine) indicating the cornea: keratoplasty. [from Greek kerat-, keras horn] kerato- a combining form meaning âcorneaâ: keratoplasty.
Early root growth is one of the functions of the apical meristem located near the tip of the root. The meristem cells more or less continuously divide, producing more meristem, root cap cells (these are sacrificed to protect the meristem), and undifferentiated root cells.
Vacuole Cytoplasm can't support plants stand. The organelles is is inside a cell, Its the cell that keeps the plant upright. Specifically the Xyleem and floeem cells. Xyleem cells are in 2 lobe plants and floeem in both 1 and 2 lobe plants (sorry my spelling may be wrong because i learn these stuff in afrikaans-2lobe=Bean plant; 1lobe=maze plant) There is Lignine inside the cell wall of xyleem to strenthen it.