In a plant cell undergoing mitosis, a mutation disrupts the function of phragmoplastin. Which stage of mitosis will be most directly affected, and what would be the observable consequence?
Prophase; failure of chromosome condensation
Metaphase; misalignment of chromosomes at the metaphase plate
Anaphase; inability of sister chromatids to separate
Cytokinesis; incomplete cell wall formation
Related Questions
Which of the protein is found in spindle fibre?
Tubulin
Albumin
Mucin
Haemoglobin
In a cell cycle, which structures serves as the site of attachment of spindle fibres?
Chromosomes
Histone
Chromonemeta
Kinetochore
The spindle fibers attach to which specific region of the chromosome during mitosis?
Centromere
Telomere
Kinetochore
Chromatid
In which of the following stage of the cell cycle, the attachment of spindle fibres to kinetochores of chromosomes occurs?
Prophase
Metaphase
Anaphase
Telophase
Identify A-C in the given statements, and choose the correct option
I. Spindle microtubules that extend from the two poles of a dividing cell are called …A…
II. A centromere connects two identical copies of a single chromosomes. These two copies are called …B…
III. In ‘X’ phase, the paired chromosomes separate and begin moving to opposite ends of the cell. This ‘X’ is called …C…
A-kinetochore fibres; B-chromatids; C-metaphase
A-polar fibres; B-homologous chromosomes; C-Prophase
A-polar fibres; B-sister chromatids; C-anaphase
A-kinetochore fibres; B-asters; C-anaphase
Which of the protein is found in spindle fibre?
Tubulin
Albumin
Mucin
Haemoglobin
At which stage of cell cycle colchicine arrests the spindle?
Anaphase
Prophase
Telophase
Interphase
During cell division, chromosome attaches with spindles
Kinetochore
Centrosome
Centriole
Secondary constriction
