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
The liquid endosperm inside a tender coconut is equivalent to:
Free-nuclear endosperm
Cellular endosperm
Hemi-endosperm
Ruminate endosperm
In the early stages of coconut development, the endosperm is primarily in which form?
Solid, cellular
Liquid, multinucleate
Partially solid, helobial
Absent
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
Assertion: The coconut water in a tender coconut is rich in nutrients.
Reason: It represents the free-nuclear endosperm which nourishes the developing embryo.
Both Assertion and Reason are true and Reason is the correct explanation for Assertion
Both Assertion and Reason are true but Reason is not the correct explanation for Assertion
Assertion is true but Reason is false
Assertion is false but Reason is true
Which part of the coconut develops into the edible coconut meat (copra) found in mature coconuts?
Seed coat
Embryo
Free-nuclear endosperm
Endocarp
The coconut water from tender coconut represents:
Endocarp
Fleshy mesocarp
Free nuclear proembryo
Free nuclear endosperm
The liquid endosperm inside a tender coconut is:
Cellular endosperm
Free-nuclear endosperm
Hemi-nuclear endosperm
Ruminate endosperm
The coconut water from tender coconut represents:
Endocarp
Fleshy mesocarp
Free nuclear proembryo
Free nuclear endosperm
During coconut development, the initial stage of endosperm formation within the tender coconut results in:
A cellular mass called cellular endosperm
A multinucleate liquid called free-nuclear endosperm
A partially cellularized structure called helobial endosperm
A solid, layered structure called ruminate endosperm
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
