When DNA is being transcribed into mRNA, The C and G go together. The A in DNA would pair up with what in RNA? X

G

T

U

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

radon is correct hope this

answer; microsoft;