Select the correct answer from each drop-down menu. contrast the electron transport chain in photosynthesis with the one in cellular respiration by identifying sources of the high-energy electrons for each. in photosynthesis, electrons that travel through the electron transport chain in the thylakoid
when water molecules are broken down into hydrogen and oxygen molecules by a chemical reaction called electrolysis. good !
these nitrogenous bases are adenine (a), cytosine (c) and guanine (g) which are found in both rna and dna and then thymine (t) which is only found in dna and uracil (u), which takes the place of thymine in rna.
the would be white blood cells.
viruses pose a challenge to the body's immune system because they hide inside cells.