5.2 Cell Wall Flashcards
The cell wall is ______ structure forming the outer covering of _______.
non-living rigid structure; plasma membrane
In Eukaryotic cells, the Cell wall is present in
Fungi and plants
Cell wall helps in:
I. Gives shape to the cell
II. Protects the cell from mechanical
damage and infection
III. Helps in cell-to-cell interaction
The cell wall provides a barrier to ___
Undesirable macromolecules
The main component of the Fungi Cell wall is:
Chitin
The Algae cell wall is made of:
Cellulose, Galactans, Mannans, and minerals like Calcium Carbonate.
The cell wall of plants (other than Algae) is made of:
Cellulose, Hemicellulose, Pectins, and Proteins
The cell wall of young plants which is capable of growth is ______.
Primary wall
In a young plant cell, ______ gradually diminishes as the cell matures, and _______ is formed.
Primary wall; Secondary wall
In young plant cells, the secondary wall is
formed on the ______ (inner/outer) side of the cell.
inner (towards membrane)
The layer which specifically holds or glues the different neighboring cells together in plants is ______.
Middle Lamella
Middle lamella is composed of
Calcium pectate
The cell wall and middle lamellae are traversed by ________.
Plasmodesmata
Plasmodesmata help in:
Connecting the cytoplasm of neighboring cells (Cytoplasmic Bridge)
