Atp molecules from glycolysis + krebs cycle are
a. 12 atp
b. 28 atp
c. 32 stp
d. 4 atp

The correct answer will be option-D.

Explanation:

Cellular respiration proceeds in four stages: glycolysis, link reaction, Krebs cycle and electron transport chain.  ATP is produced in each step along with other reducing equivalents which gets reduced during the electron transport chain to form ATP.

In the given question, only ATP molecules formed during both glycolysis and Krebs cycle will be 4 ATP as 2 ATP are produced in glycolysis and 2 ATP are produced in the Krebs cycle per two molecules of pyruvic acid.

Thus, option-D is the correct answer.

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not sure if this what   you'r looking for would be percent composition