Who wants to snap I'm not a weirdo just bored I'm a guy 18 years old.

Which part of cellular respiration must occur before any of the other steps can occur

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.