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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.

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โˆ™ 2011-04-08 01:43:50
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Q: Why are the cells of the spongy layer packed so loosely together?
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Why are cells of the spongy layer packed so loosely together?

Because they are. Really, it is so the leaf can breathe.


Why are the cells of the spongy layer packed so loosely?

So that the cell can breath.


Why are cells in the spongy layer packed so loosely?

So the leaf can breathe.


The lower portion of the mesophyll usually consisting of loosely packed spherical cells?

spongy layer


Why are the cells of the spongy layer packed so tightly together?

They aren't, the palisade layer is, the spongy layer is loose


How are the cells of a bread mold arranged?

The cells of bread mold are loosely arranged. This is the opposite of the cells of mushrooms which are packed tightly together.


What is the structure of spongy mesophyll?

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.


Why spongy layer of cells loosely arranged?

For gaseous exchange


Why are the cells of the spongy layer packed so loosly together?

Because you cannot live in them. For instance, if they were packed tightly together, they would be called apartments. My question is why are they called apartments when they are all stuck together?


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.


Are loosely packed so air can move between the cells?

true


What is the function of spongy layer in a leaf?

The spongy layer of a leaf, which lies beneath the palisade layer, consists of cells that are irregular in shape and loosely packed. Their main function seems to be the temporary storage of the sugars and amino acids that were synthesized in the palisade layer. The spongy layer also aids in the exchange of gases between the leaf and the environment.


What are mesophyll cells?

they are the objects inside a cross-section of a leaf which are loosley packed cells that give the leaf a spongy appearence.


What are the loosely packed photosynthetic cells in the leaf called?

Thylakoids. Stacks of these are called granna.


How does the structure of spongy bone follows its function?

Spongy bone is porous and constructed of loosely connected structures. The spongy bones allows for the development of bone marrow. The main function of bone marrow is to produce blood cells.


What is the advantage of the spongy mesophyll being loosely arranged instead of being closed?

in between the spongy mesophyll cells, there are air spaces. this allows faster diffusion of CO2 into the leaf. the thin film of moisture on the spongy mesophyll evaporates in the air spaces in the process of transpiration, thus helped in transpiration pull. without the spongy mesophyll being loosely arranged, there would not be air spaces.


What spongy tissue holds your bones together?

A spongy tissue in bones is inside the bones and it makes red blood cells.


Which part of the leaf is packed with chloroplasts?

Chloroplasts are mostly found in the palisade cells of a leaf but are also found in the spongy mesophyll.


Why are the cells of the palisades layer packed tightly together?

Palisade cells are responsible for most of the photosynthesis in the leaf. They are packed tightly together to maximize the amount of light they can absorb.


Why are the cells of the palisades layer packed so tightly together?

Palisade cells are responsible for most of the photosynthesis in the leaf. They are packed tightly together to maximize the amount of light they can absorb.


Are epithelial cells packed closely together?

Yes.


Why are the cells of palisades layer packed so tightly together?

Because of lower epidermis the palisade layer packed so tightly together


What is the largest region of the primary root called?

The largest region of the primary root is the cortex. It is made up of loosely packed parenchyma cells.


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.


Where are Palisade cells found?

they are usually found in the top of a leaf and are tightly packed together.