Being a professor is a side job of being a researcher. No professor really teaches because they want to. College professors are there b/c universities offer them the chance to be funded and facilities to do the research they want. Colleges hire prestigious professors who are going to bring accreditation to their university, and make them teach. I worked in a research lab at UCF in Orlando and worked with a lot of PhD students and their teachers, and it became pretty obvious that the researchers hated their teaching obligations. They just wanted to research.
You can jump from B.S. to PhD, but I wouldn't recommend it. I went from a Psychology BS and applied to a bunch of PhD programs, but only got accepted for a Masters at Columbia (only lawl). In my first year I immediately realized it was a blessing in disguise. I realized I did not want to do 4-5 more years of schooling including the face-to-wall process that is a dissertation. It's safer to just apply for a MA and then go on to a PhD later in life if you choose to. You can always go back to school for your doctorate, but applying to a PhD program and then realizing halfway through you can't do it all is a waste of money and time.
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