I would say it is unethical becuase many young children can't tell when they are being marketed to and you should focus marketing to the kids parents.
Cytoskeleton because it maintains cell's shape, secures organelles in specific positions, allows cytoplasm and vesicles to move within the cell
The incorrect one is b. different enzymes has a different optimum temperature.
A) bacteria. Membrane-bound organelles are found in eukaryotic cells. However, bacteria are prokaryotic, meaning that they do not have membrane bound organelles.