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 following type of cell cycle is known as equational division?
Mitosis
Meiosis I
Meiosis II
Interphase
In cell cycle, during which phase chromosomes are arranged at equatorial plate?
Metaphase
Anaphase
Telophase
Prophase
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 β¦Aβ¦
II. A centromere connects two identical copies of a single chromosomes. These two copies are called β¦Bβ¦
III. In βXβ phase, the paired chromosomes separate and begin moving to opposite ends of the cell. This βXβ is called β¦Cβ¦
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
In a cell undergoing mitosis, the nuclear envelope reforms during:
Prophase
Metaphase
Anaphase
Telophase
Spindle fibre is made up of
Humulin
Intermediate filament
Flagellin
Tubulin
Duplication of centriole occur in
prophase
metaphase
s - phase
anaphase
Which of the following is NOT a function of mitosis?
Growth and development
Repair of tissues
Replacement of damaged cells
Production of gametes
Congression is a phenomenon of
Movement of sister chromatids towards the poles
Pairing of homologous chromosomes
Separation of paired chromosomes
Bringing the chromosomes on equator of spindle apparatus
If a cell undergoing division exhibits synapsis and crossing over, which type of cell division is it NOT undergoing?
Mitosis
Meiosis I
Meiosis II
Binary fission
Which of the following functions like mitotic poison?
Colchicine
Monosodium Glutamate
Kinetin
2, 4 β D