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
Related Questions
Which polysaccharide contributes significantly to the structural integrity of fungal cell walls?
Cellulose
Starch
Glycogen
Chitin
Which one of the following structures between two adjacent cells is an effective transport pathway?
Plasmodesmata
Plastoquinones
Endoplasmic reticulum
Plasmalemma
In eukaryotes, the cell wall constitutes
Primary and secondary walls
Primary walls only
Primary wall, middle lamella and secondary wall
None of the above
One of the major components of cell wall of most fungi is:
Chitin
Peptidoglycan
Cellulose
Hemicellulose
Precursor of cell wall is
middle lamellum
Cell plate
mitotic spindle
metaphase plate
Which enzymatic activity is primarily responsible for loosening the cell wall structure during cell expansion?
Cellulase
Pectin methylesterase
Expansin
Lignin peroxidase
Which of the following contributes to the rigidity and waterproofing of the cell wall in some plant tissues?
Lignin
Pectin
Cellulose
Suberin
Which of the following is a major structural component of fungal cell walls, providing rigidity and support?
Starch
Glycogen
Chitin
Cellulose
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
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