WebPhloem tissue is responsible for the transport of sugars in plants, they are adapted for their function in a number of ways: .They are living cells with a thin cytoplasm but no nucleus .Cells are joined end to end, but the end walls are perforated, this is called a sieve plate Web21 sep. 2024 · The cells that make up the phloem are adapted to their function: Sieve tubes – specialised for transport and have no nuclei. Each sieve tube has a perforated end so its cytoplasm connects...
How are phloem and xylem cells adapted? – Stwnews.org
WebPrimary phloem is formed by the apical meristems (zones of new cell production) of root and shoot tips; it may be either protophloem, the cells of which are matured before elongation (during growth) of the area in which … Web8 apr. 2024 · One of the most crucial adaptations that sperm have evolved is their flagella, which propel them as they travel toward unfertilized ova. According to “Molecular Biology … magic nicol bolas
Transport of Water and Solutes in Plants Biology II
Web25 nov. 2024 · Functions of Phloem. One of the main functions of phloem is the transportation of sap and organic molecules such as sugars, amino acids, certain … WebIn Phloem 1.Glucose is made in photosynthesis and converted to sucrose for transport in the source cells. 2.Sucrose is actively transported into companion cells using a sucrose-H+ contransport protein. 3.Sucrose moves from the companion cells to the sieve tube cells through plasmodesmata. Called "phloem loading" WebTwo types of phloem cell are important in transporting organic substances from source to sink: sieve tube elements, which transport the organic compounds companion cells, which control the activities of the sieve tube elements. Sieve tube elements and companion cells are well adapted for their roles. magic no fizz soda dispenser