What is the relationship between atp and oxygen during cellular respiration?
a. oxygen is given off when atp is produced in the mitochondria.
b. oxygen is produced when atp is used as an energy source.
c. atp is produced in the mitochondria when oxygen is available.
d. atp is used to produce oxygen when carbon dioxide is available.

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.