No, you cannot put a MacBook Pro's internals into a PowerBook G4. The two devices have vastly different architectures, form factors, and cooling systems. Additionally, the MacBook Pro uses modern hardware and components that are incompatible with the older PowerBook G4 design. Attempting to do so would require extensive modifications, which are impractical and likely unfeasible.
MacBook Pro is the best you can get
MacBook Pro!
The macbook pro!
you probably should get the MacBook. they are cheaper than the MacBook Pro. now, if you want a bigger screen, then get a MacBook Pro.
There is no age limit for getting a MacBook Pro.
MacBook Pro was created on 2006-01-10.
Yes, the MacBook Pro has a lithium battery.
The MacBook Pro cases are much larger and sturdier the the MacBook Air cases.
The Macbook Pro was upgraded ,as well as the iMac.
Macbook air
Yes the MacBook Pro has an internal cooling fan.