Why is it important that the components of the oxidative phosphorylation
pathway in mitochondria and the photo-phosphorylation pathway in chloroplasts
are imbedded in membranes? (The inner mitochondrial membrane and the
thylakoid membrane, respectively.) In other words, why are these proteins
imbedded in membranes instead of floating freely in the cytoplasm, matrix
or stroma? Give 2 important reasons.
Trace the sequence of chemical changes that occurs in mammalian brain
tissue when the oxygen supply is cut off.