<span>The sickle shaped cells do not move smoothly through blood vessels thus fore they cause Clots.</span>
Up to about 150 minutes (2 hours and 30 minutes)
Certain ones do it depends i hope this help
<span><span>Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.</span></span>