prometheus 2001 similarities

I know by now that Alien/prometheus is being compared and disected to the nth degree. I also know that Ridley was a friend and admirer of 2001: a space odyssey, I am sure at prometheus's stripped bare skeleton there are similarities and nods to the 2001 film, e.g alien tech being there at our evolution and being there at our end when we dare to be too advanced and nosey, but I'm wondering if there was more. My gut instinct tells me there was, but I am neither too synched in or focused to spot them yet your thoughts please