( ( If ( you ( only ( ( ( ( ( ( have ( the enzymes ) ) , ) coenzymes ) , ) and ) ( cytochromes ( to ( ( do ( enough ( energy capture ) ) ) ( to ( ( ( support life ) ( by ( aerobic respiration ) ) ) then ) ) ) ) ) ) ) ) ) ( you ( ( are ( called ( an ( Obligate aerobe ) ) ) ) . ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (ADVP (RB only)) (VP (VP (VBP have) (NP (DT the) (NNS enzymes))) (, ,) (VP (VBZ coenzymes)) (, ,) (CC and) (VP (VBZ cytochromes) (S (VP (TO to) (VP (VB do) (NP (JJ enough) (NN energy) (NN capture)) (S (VP (TO to) (VP (VB support) (NP (NN life)) (PP (IN by) (NP (JJ aerobic) (NN respiration))) (ADVP (RB then)))))))))))) (NP (PRP you)) (VP (VBP are) (VP (VBN called) (NP (DT an) (NNP Obligate) (NN aerobe)))) (. .)))
If you only have the enzymes, coenzymes, and cytochromes to do enough energy capture to support life by aerobic respiration then you are called an Obligate aerobe.
(ROOT (S (NP (JJ Aerobic) (NN respiration)) (VP (VBZ has) (NP (NP (DT the) (NN advantage)) (PP (IN of) (S (VP (VBG releasing) (NP (JJR more) (NN energy))))))) (. .)))