Precursor of cell wall is
middle lamellum
Cell plate
mitotic spindle
metaphase plate
Related Questions
Which of the following is NOT a major component of the primary cell wall in plants?
Cellulose
Hemicellulose
Pectin
Lignin
The middle lamella, which cements adjacent plant cells together, is primarily composed of:
Cellulose
Lignin
Pectin
Suberin
The inward movement of ions into the cells is ……
and the outward movement is….
Influx, efflux
Efflux, influx
Absorption, adsorption
Adsorption, absorption
Cell is the fundamental structural and functional unit of all living organisms. This was evidenced by the fact that
All cells arises by the fusion of two cells
All cells are totipotent
Subcellular components can regenerate a complete cell
Anything less than a complete structure of a cell does not ensure independent living
Unlike plant cell walls which are primarily composed of cellulose, fungal cell walls are mainly made of:
Chitin
Pectin
Lignin
Suberin
Plasmodesmata connections helps in
Cytoplasmic streaming
Synchronous mitotic divisions
Locomotion of unicellular organisms
Movement of substances between cells
Cell wall consists of
Lignin, hemicellulose, protein and lipid
Hemicelluloses, cellulose, tubulin and lignin
Lignin, hemicelluloses, pectin and lipid
Lignin, hemicelluloses, pectin and cellulose
Which of the following statements regarding the chemical composition of the secondary cell wall is INCORRECT?
It may contain lignin, suberin, or cutin.
It often has multiple layers, denoted as S1, S2, and S3.
It predominantly contains pectin and hemicellulose.
Cellulose microfibrils are arranged in a more parallel fashion compared to the primary wall.
Assume that an actively respiring cell has 3x number of in its cytoplasm and 2x number of entered into the cell. What is the process by which K^+ transport has taken place?
Primary active transport
Secondary active transport
Diffusion
Passive transport
Channel proteins are involved in
Transport of enzymes
Water transport
Active transport of ions
Passive transport of ions
