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What is an apoplast?

Updated: 4/28/2022
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Bobo192

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8y ago

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An apoplast is a space outside of a plant's plasma membrane through which water and soluble nutrients are transported across a tissue or organ.

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Q: What is an apoplast?
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Related questions

What structure or compartment is part of the plant's apoplast?

the lumen of a sieve tube


Why does the medium's pH need to be standardized at 5.8 while preparing the MS medium?

Because it is the pH of the Apoplast. Cells are happy in it.


What is the difference between symplast and apoplast?

The apoplast and symplast pathways are two different pathways by which water can move through the root of a plant. Water in the apoplast pathway moves from cell to cell via spaces in the cellulose cell walls until it reaches the endodermis. At the endodermis, there is the 'apoplast block' - the cellulose cell walls of the cells of the endodermis have a substance called suberin which is impermeable and prevents the movement of water. The suberin makes up what is called the Casparian strip. At this point, all the water has to move into the vacuolar and symplast pathways. The function of the apoplast block is to prevent harmful substances from entering the xylem. The symplast pathway is where water moves from cell to cell in the cytoplasm via the plasma membranes and plasmodesmata. Water moves along the root by osmosis down a water potential gradient (as water moves into one cell, this cell then has a higher water potential than the adjacent cell, so water moves from cell to cell by osmosis). Water moves in this way along in the cytoplasm from the root hair cell to the endodermis.


What are the two routes that water may take to move from the outside of the root to the transport cells with in the root?

Water can move through the apoplastic pathway, which involves passing through the cell walls and spaces between cells, or through the symplastic pathway, which involves moving through the cytoplasm of cells via plasmodesmata. These routes help water reach the transport cells within the root for uptake and distribution.


What is the fucntion of the cell wall?

It is the outer boundary of the cell.Protecting the cell is the main purpose.Otherthan providing path for water transportation [apoplast pathway] in plants,Connecting cells,giving strength.


What has the author Chengci Chen written?

Chengci Chen has written: 'Comparisons of changes in the osmotic potential and apoplast water volume caused by water stress in four cultivars of spring wheat (Triticum aestivum L.)' -- subject(s): Wheat, Osmotic potential, Adaptation, Water requirements


The casparian strip prevents water and minerals from entering the stele through?

The casparian strip is a waterproof barrier in the endodermis of plant roots that blocks the passive flow of water and minerals between cells. This ensures selective uptake of essential nutrients and prevents harmful substances from entering the stele.


In plants that use an apoplastic route for sucrose to move from mesophyll cells to the phloem what would NOT occur if a protein was inserted into the plasma membrane that allowed hyd?

If a protein allowing the movement of water from the apoplast into the symplast was inserted into the plasma membrane, it would disrupt the osmotic balance between the apoplast and symplast. This disruption in osmotic balance could hinder the efficient phloem loading of sucrose and nutrient transport in the plant.


What are some eight letter words with 1st letter A and 4th letter P and 8th letter T?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern A--P---T. That is, eight letter words with 1st letter A and 4th letter P and 8th letter T. In alphabetical order, they are: acupoint adeptest anapaest apoplast ashplant


What vital substancce do plants obtain through their pores?

Openings in plant leaves are called stomata. They are the point that carbon dioxide enters the plant, and the point that oxygen and water leave the plant. In the roots, there are no pores. Ions and water are absorbed either directly through the cell wall (apoplast) and plasma membrane via diffusion, or substances are taken through the membrane by various transporter proteins.


What lies between the cell walls of a plants cells?

The space between the cell walls of plant cells is occupied by the cell membrane, which is a semipermeable membrane that regulates the movement of substances in and out of the cell. This region is known as the cell wall space or extracellular matrix, and it provides structural support and protection to the cell.


What are some eight letter words with 2nd letter P and 4th letter P and 5th letter L and 7th letter S?

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -P-PL-S-. That is, eight letter words with 2nd letter P and 4th letter P and 5th letter L and 7th letter S. In alphabetical order, they are: apoplast