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
Centrioles undergo duplication during (i) of (ii), and begin to move towards opposite poles of the cell during (iii) stage of (iv)
i-S phase, ii-inter phase, iii- Prophase, iv-Mitosis
i-S phase, ii-Inter phase, iii-Anaphase, iv- Mitosis
i-Prophase, ii-Mitosis, iii-Metaphase, iv- Mitosis
i-Prophase, ii-Mitosis, iii-Anaphase, iv-Mitosis
As a coconut matures, the free-nuclear endosperm of the tender coconut undergoes changes. Which of the following best describes this transition?
Remains free-nuclear but increases in volume
Transitions from free-nuclear to cellular endosperm
Is replaced by a different type of endosperm
Is absorbed by the developing embryo
Which of these is NOT an example of an offset?
Seed
Tuber
Bulb
Rhizome
How many mitotic divisions are needed for a single cell to make 128 cells
7
14
28
32
The phragmoplast is organized at the
Beginning of anaphase
End of anaphase
Beginning of telophase
End of telophase
Which of the following serves as mitotic spindle poison?
Tubulin
Colchicine
The Anaphase Promoting Complex (APC) is crucial for the regulated degradation of proteins during mitosis in animal cells. If a human cell has a defective APC, what is the most likely consequence?
The cell cycle will arrest in metaphase.
DNA replication will not occur.
The cell will undergo uncontrolled cell division.
The cell will enter G0 phase prematurely.
What is not seen during mitosis in somatic cells?
Spindle fibre
Chromosomes movement
Disappearance of nucleolus
Synapsis
The alignment of chromosomes at the metaphase plate occurs during which phase of mitosis?
Prophase
Metaphase
Anaphase
Telophase
The term, mitosis was coined by
Flemming
Strasburger
Remak
Moore
