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porifera:sponges
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∙ 10y ago
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The absorption of water by the guard cells causes the pores to?
close and regulate water loss
Who looked at a piece of cork through a microscope and ccalled the pores cells in 1665?
robert hooke
Describe the effect of surface area and pores on cells?
Mean pore size is an essential aspect of scaffolds for tissue-engineering. If pores are too small cells cannot migrate in towards the center of the construct limiting the diffusion of nutrients and removal of waste products. Conversely, if pores are too large there is a decrease in specific surface area available limiting cell attachment. ;)
What cells did Robert hooke discover?
one of the cells that he discovered was a cork cell
Which part of the cell has pores that control the movement of chemicals in?
I believe it is the Cell Membrane.
Are masses of cells full of pores.?
porifera:sponges
What are pores surrounded by guard cells in the epidermis of a leaf?
Stomata are pores surrounded by the guard cells.
Why do the root cells look different from the leaf cells of a plant?
Root cells do not have chlorophyll that gives the green color to the leaf. Root cells have hair extensions called root hairs. Leaves do not have these extensions. Root cells do not have pores. Leaves have pores that are guarded by two cells that are responsible for increasing and decreasing the size of the pores.
Do plant cells have nuclear pores?
Yes
Cancer cells from masses of cells called?
tumors!
Are nuclear pores in animal or plant cells?
They are in both
Does the cell membrane of cells have pores or holes in them?
yes
Are guard cells part of the stomata or does stomata only refer to the pore on the lower surface of the leaf?
The stomata are the pores and the guard cells control the opening and closing of these pores.
Its pores prevent filtration of blood cells?
Capillary endothelium
What were the pores or cells that Robert hooke saw?
Cell Walls
What is inside a nucleus that contains information about cells?
ahh pores
Specialized cells with beating tufts of cilia that draw water through pores to the outside of the worm's body?
Flame cells are in planarians. They are specialized cells with beating tufts of cilia that draw water through pores to the outside of the worm's body.
