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Ranunculus Root Cross Section. The endodermis is the innermost layer of cortex in land plants.It is a cylinder of compact living cells, the radial walls of which are impregnated with hydrophobic substances (Casparian strip) to restrict apoplastic flow of water to the inside. [1]
Ruangguru (a play of the phrase ruang guru, literally "teachers' office") was founded in April 2014 by Adamas Belva Syah Devara and Muhammad Iman Usman to aid students to find various tutors online. [4] [5] As of August of the same year, there were more than one thousand teachers registered. Ruangguru was also funded by East Ventures. [5]
Chitosan / ˈ k aɪ t ə s æ n / is a linear polysaccharide composed of randomly distributed β-(1→4)-linked D-glucosamine (deacetylated unit) and N-acetyl-D-glucosamine (acetylated unit).
Plant embryonic development, also plant embryogenesis, is a process that occurs after the fertilization of an ovule to produce a fully developed plant embryo.This is a pertinent stage in the plant life cycle that is followed by dormancy and germination. [1]
A diagram showing the different types of plastid. Amyloplasts are thought to play a vital role in gravitropism.Statoliths, a specialized starch-accumulating amyloplast, are denser than cytoplasm, and are able to settle to the bottom of the gravity-sensing cell, called a statocyte. [5]
Papery (upper) and leafy bracts on hay rattle (Rhinanthus minor).All the "leaves" in this image are bracts. In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale.