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cell wall
[ sel wawl ]
noun
- the definite boundary or wall that is part of the outer structure of certain cells, as a plant cell.
cell wall
noun
- the outer layer of a cell, esp the structure in plant cells that consists of cellulose, lignin, etc, and gives mechanical support to the cell
cell wall
- The outermost layer of cells in plants, bacteria, fungi, and many algae that gives shape to the cell and protects it from infection. In plants, the cell wall is made up mostly of cellulose, determines tissue texture, and often is crucial to cell function.
- Compare cell membrane
cell wall
- The rigid outer covering of a typical plant cell , composed mainly of cellulose and lying outside the cell membrane . Animal cells do not have cell walls.
Notes
亚洲网紅露点 History and Origins
Origin of cell wall1
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Example Sentences
Unlike eating fresh fruit - which is much better for a child - pureeing releases sugar from inside fruit cell walls and can be absorbed much more quickly.
Zhoie Perez slouched against the holding cell wall in Men鈥檚 Central Jail and closed her eyes, hoping a guard would jolt her awake with the words she鈥檇 been waiting for: The bus is here!
For example, the cell walls of plants provide structural strength and are rich in fiber, while their energy vesicles store carbohydrates.
Finding scratch marks on a cell wall that he believes he made, he knelt down and began to cry.
Gram-positive and gram-negative bacteria differ in the composition of their cell walls.
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