AP BIOLOGY

CELL DIVISION

CELL DIVISION AND CANCEROUS CELLS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In plant cytokinesis, cellulose is laid down forming
A
a middle lamella
B
cell walls
C
a cell plate
D
a plasma membrane
Explanation: 

Detailed explanation-1: -A cell plate is formed when the small vesicles of the cells come together and combine. This cell plate extends to the outer two sides and joins with the plasma membrane. After that cellulose gets deposited on the cell plate and the cell wall is formed.

Detailed explanation-2: -Plant cells undergoing cytokinesis (cytoplasmic division) form a cell plate in the center of the phragmoplast. The phragmoplast consists of both cytoskeletal and membranous elements.

Detailed explanation-3: -Cytokinesis in terrestrial plants occurs by cell plate formation. This process entails the delivery of Golgi-derived and endosomal vesicles carrying cell wall and cell membrane components to the plane of cell division and the subsequent fusion of these vesicles within this plate.

Detailed explanation-4: -The biggest and most noticeable difference between plant and animal cytokinesis is that plants form a cell plate while dividing, whereas animal cells form a cleavage furrow. Plants have to form a cell plate because they have cell walls and animal’s don’t.

Detailed explanation-5: -new cell wall, called the cell plate, between the two daughter cells. The cell plate arises from small Golgi-derived vesicles that coalesce in a plane across the equator of the late telophase spindle to form a disk-shaped structure. In this process, each vesicle contributes its membrane to the forming cell…

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