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What Is the dfference between paliside and spongy?
The palisade layer of cells is tightly packed, like a brick wall, and contains the greatest concentration of chloroplasts in the leaf. The spongy mesophyll is loosely packed, containing many air spaces between the cells. The mesophyll contains vascular bundles and fewer chloroplasts than the palisade. Simply put, the palisade's main purpose is photosynthesis, and the spongy's gas exchange.
Why are cells of the spongy layer packed so loosely together?
All plant cells respire all of the time and need to exchange gases. The main gas exchange surface in plants are the spongy mesophyll cells in the leaves. Leaves have a huge surface area, and the irregular-shaped, loosely-packed spongy cells increase the area for gas exchange even more.
The lower portion of the mesophyll usually consisting of loosely packed spherical cells?
spongy layer
Where is the spongy layer located?
The spongy layer is located beneath the upper epidermis in the mesophyll tissue of plant leaves. It is made up of loosely packed cells with air spaces between them, allowing for gas exchange and photosynthesis to occur more efficiently.
Why are the cells of the palisades layer packed so tightly togehter?
Packing palisade cells tightly together means that the maximum amount of light can be intercepted. If there are big gaps between the cells then more of the light hitting the leaf will just pass straight through.
What is spongy mesophyll layer?
Spongy mesophyll cells are not packed so tightly together, which allows carbon dioxide and oxygen to reach the palisade cells where they are needed in photosynthesis. Spongy mesophyll cells and guard cells (see below) also get some photosynthetic action.
What are types of mesophyll cells?
The two main types of mesophyll cells found in plant leaves are palisade mesophyll cells and spongy mesophyll cells. Palisade mesophyll cells are located in the upper layer of the leaf and are specialized for photosynthesis, while spongy mesophyll cells are found beneath the palisade layer and aid in gas exchange and the storage of nutrients.
What type of cells are compacted Palisade or Spongy - EXPLAIN?
Palisade Packing palisade cells tightly together means that the maximum amount of light can be intercepted. If there are big gaps between the cells then more of the light hitting the leaf will just pass straight through. Tightly packed palisade cells is one way in which leaves are adapted for photosynthesis.
Are epithelial cells packed closely together?
Yes.
How does the structure of the spongy tissue differ from that of other leaf tissues?
Spongy tissue in leaves has loosely packed cells with large air spaces between them, facilitating gas exchange. In contrast, other leaf tissues like palisade mesophyll have tightly packed cells arranged in columns for efficient photosynthesis. Spongy tissue is located beneath the palisade layer and aids in maximizing gas diffusion within the leaf.
What does spongy bone produce?
Spongy bone produces red blood cells, white blood cells, and platelets through a process called hematopoiesis. It also helps to store and release minerals, such as calcium and phosphorus, to maintain bone health and overall body function.
How are the two types of mesophyll found in a leaf specialized for photosynthesis?
The two types of photosynthetic mesophyll are -- (i) Palisade cells which are vertically elongated cylindrical cells and (ii) Spongy mesophyll cells that are spherical green cells.
