On a cellular level, why do we need to breathe? a
Our cells need oxygen
b
Our cells need glucose
c
Our lungs are empty
d
Our cells need carbon dioxide

Which element is found in both dna and proteins

Environmental differences within ecosystems are generally caused by

Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. be sure to also indicate where each process takes place. plz don't give one sentence answers : d