Through the system of translocation, the phloem moves photoassimilates, mainly in the form of sucrose sugars and proteins, from the leaves where they are produced by photosynthesisto the rest of the plant. The sugars are moved from the source, usually the leaves, to the phloem through active transport. The next step, … Visa mer Phloem is the complex tissue, which acts as a transport system for soluble organic compounds within vascular plants. The phloem is made up of living tissue, which uses turgor pressure and energy in the form of ATP to actively … Visa mer The structure of the phloem is made up of several components. Each of the components work together to facilitate the conduction of sugars and amino acids, from a source, to sink … Visa mer 1. What is the main function of the phloem? A. Transporting nutrients from a source to a sink B. Transporting nutrients from a sink to a source C. Transporting water from a sink to a source D.Transporting water … Visa mer Webb10 apr. 2024 · Phloem, also known as bast, are plant tissues that transport nourishment from the leaves to the rest of the plant. Phloem tubes, companion cells, phloem fibers, …
Phloem & translocation (video) Khan Academy
Webb20 juli 1998 · Sieve tube elements are almost always adjacent to nucleus-containing companion cells, which have been produced as sister cells with the sieve element from … Webb1 juli 2024 · We interpret this as another evidence that wider stems optimise the hydraulic conductivity of the phloem. As comparison, herbaceous vines of ~7 m long, which develop compound sieve plates towards ... the novel sounder
Phloem - Introduction, Components, and Differences - VEDANTU
WebbAlthough its primary function is transport of sugars, phloem may also contain cells that have a mechanical support function. These are sclerenchyma cells which generally fall into two categories: fibres and … WebbThe main functions of sieve tube members include maintaining cells and transporting necessary molecules with the help of companion cells. [6] The sieve tube members are … Webbför 2 dagar sedan · The function of sieve cells is to conduct active organic compounds and nutrition to the rest of the tissues spread throughout the plant system. They have … michigan legal aid phone number