Organelles that use chemical energy stored within the covalent bonds of
>> organelle molecules <<
The answer is True.
When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)
They each have a specific function which is why they're called specialized cells.
Hope this help
The epidermis is the 5 top layers, and the dermis is the 2 inner layers