during the Krebs Cycle, high energy electrons and hydrogen ions are transferred to carrier molecules to form NADH and FADH2. What are two other molecules released during the krebs cycle?

Which direction does the energy flow in this energy pyramid ?

Ture or false evidence for evolution includes millions of fossils

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.