Webb30 mars 2024 · Answer: It is usually made up of dead cells. It is usually made up of living cells.3.The cell wall of xylem is thick. The cell wall of phloem is thin.4.The cell wall of phloem is made up of cellulose.5.It helps in the passive transport of water. It helps in the active transport of sugar and food. Get live Maths 1-on-1 Classs - Class 6 to 12 WebbSieve tube cells are alive.Companion cells provide sieve tube cells with needed molecules through plasmodesmata.Phloem tissue dies and is collapsed each year, being regenerated by meristem with new growth. New xylem tissue is also generated each year.
[email protected] BIOLOGY NOTES FORM 2
Webb30 mars 2024 · Answer: It is usually made up of dead cells. It is usually made up of living cells.3.The cell wall of xylem is thick. The cell wall of phloem is thin.4.The cell wall of … WebbThe functional unit of phloem tissue is the sieve tube element made up of sieve tubes and companion cells. Sieve tube cells are alive. However, after maturity, these cells are … instinct dog food and fds
Phloem in angiosperm is composed of a. Sieve tube element b.
Webb9 apr. 2024 · Answer Verified 211.2k + views Hint: Xylem and Phloem are complex tissues made up of more than one type of cells which work together as a unit and are known as the vascular parts of the plant. Complete answer: Note: 1. Gymnosperms lack vessels in their xylem. 2. The presence of vessels is a characteristic of Angiosperms. 3. Webb13 feb. 2024 · Phloem Definition. 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 … AP Biology - Phloem - Definition, Function and Structure Biology Dictionary This is a list of all biology terms we have at this moment. We are adding more terms! on April 5, 2024 at 8:33 am . Ask any pet owner if their beloved companion has a … Animal Kingdom - Phloem - Definition, Function and Structure Biology Dictionary Quotes About Biology - Phloem - Definition, Function and Structure Biology Dictionary An interactive web-based dashboard to track COVID-19 in real time. ** This is the … WebbSieve tube Phloem is a complex permanent tissue which is generally made up of different types of cell. It is composed of p hloem... Phloem fibres are represented by the dead … instinct dog