Examlex
Which of the following is responsible for keeping our forebrains awake and alert when needed?
Centrioles
Cylindrical structures found in animal cells that play a role in cell division by helping to organize the assembly of microtubules.
Cellular Division
The process by which a parent cell divides into two or more daughter cells, crucial for growth, repair, and reproduction in organisms.
Spindle Fibers
Microtubule structures that form during cell division to separate chromosomes into the daughter cells.
Cell Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, regulating the entry and exit of substances.
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