Where do kreb's (step 2) and the etc (step 3) occur?

Which best explains how this maneuver unblock a person's airway?

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

What is a codon and where is it found