CELL DIVISION
MEIOSIS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
nucleus
|
|
wall
|
|
mitochondria
|
|
nucleolus
|
Detailed explanation-1: -For plant cells to divide, a new cell wall must be built to create two cells from one. The process of building a new cell wall to separate the dividing plant cell is called plant cytokinesis.
Detailed explanation-2: -Cytokinesis occurs by a special mechanism in higher-plant cells-in which the cytoplasm is partitioned by the construction of a new cell wall, the cell plate, inside the cell. The position of the cell plate is determined by the position of a preprophase band of microtubules and actin filaments.
Detailed explanation-3: -Plant cells undergo cytokinesis by forming a new cell wall between the daughter cells. The Golgi apparatus produces vesicles that fuse to form the cell plate. The cell plate expands until the cytoplasm is divided.
Detailed explanation-4: -Cytokinesis in plant cells involves the formation and insertion of a new cell wall that separates daughter nuclei after mitosis. The deposition of the new wall is regulated by a structure called the phragmoplast which contains microtubules, actin filaments and membranes.
Detailed explanation-5: -During cytokinesis, the cell membrane pinches in at the cell equator, forming a cleft called the cleavage furrow. The position of the furrow depends on the position of the astral and interpolar microtubules during anaphase.