In eukaryotes, the cell wall constitutes
Primary and secondary walls
Primary walls only
Primary wall, middle lamella and secondary wall
None of the above
Related Questions
Callose deposition is often associated with specific plant responses. Which of the following scenarios is LEAST likely to induce callose deposition?
Wounding or pathogen attack
Abscission zone formation
Pollen tube growth
Rapid cell elongation during growth
Channel proteins are involved in
Transport of enzymes
Water transport
Active transport of ions
Passive transport of ions
The cell wall of plants is primarily composed of which polysaccharide?
Chitin
Starch
Glycogen
Cellulose
The orientation of cellulose microfibrils in the cell wall plays a crucial role in determining cell shape. If a plant cell has cellulose microfibrils arranged predominantly perpendicular to the direction of cell elongation, what shape is the cell most likely to adopt?
Spherical
Elongated/Rod-like
Cuboidal
Irregular
Plasmodesmata connections helps in
Cytoplasmic streaming
Synchronous mitotic divisions
Locomotion of unicellular organisms
Movement of substances between cells
The presence of which compound in the cell wall significantly contributes to the resistance of woody tissues to decay and compression?
Suberin
Cutin
Pectin
Lignin
The mineral present in cell wall is
Na
Ca
K
Mn
The primary cell wall is laid down during which phase of cell growth?
Cell division
Cell maturation
Cell death
Cell expansion
Secondary cell wall grows by
Deamination
Calcicole
Apposition
None of these
Which polysaccharide contributes significantly to the structural integrity of fungal cell walls?
Cellulose
Starch
Glycogen
Chitin
