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
Related Questions
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.
Which of the following is NOT a function of mitosis?
Growth and development
Repair of tissues
Replacement of damaged cells
Production of gametes
Unlike the solid endosperm found in mature coconuts, the endosperm in a tender coconut is:
Cellular and solid
Free-nuclear and liquid
Hemi-endosperm
Non-existent
Mitosis or the equational division is usually restricted to β¦Aβ¦ cells. However, in some lower plants and in some social insects β¦Bβ¦ cells also divide by mitosis.
Choose the correct option for A and B from the given options
A B
Haploid; diploid
Haploid; haploid
Diploid; diploid
Diploid; haploid
After the separation of centromeres during mitosis, the chromatids move towards opposite poles of the spindle. Name the term used for these chromatids
Daughter chromosomes
Sister chromatids
Homologous chromosomes
Non-sister chromatids
I. Chromosomes cluster at opposite spindle poles their identity is lost as discrete elements
II. Nuclear envelope assembles around the chromosome clusters
III. Nucleolus, Golgi complex and ER reform
Above features indicates which phase of mitosis
Anaphase
Telophase
Cytokinesis
S-phase
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 the following events does NOT occur during prometaphase of mitosis?
Breakdown of the nuclear envelope
Attachment of kinetochore microtubules to chromosomes
Movement of chromosomes towards the metaphase plate
Replication of the centrosomes
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
At which stage of cell cycle colchicine arrests the spindle?
Anaphase
Prophase
Telophase
Interphase