1 ) A
2 ) C
3 ) C
4 ) C
5 ) B
Answer:
Glycolysis must occur before ATP is produced, regardless of whether it is fermentation or the citric acid cycle that follows. Because hexokinase is involved in this preliminary step, if its activity were stopped, the cell could not continue to produce ATP by either pathway.
Explanation:
The best answer is D, birds.
For more information and details on the way a bird's respiratory system works:
https://asknature.org/strategy/air-flow-patterns-facilitate-efficient-gas-exchange/
Answer:
the answer is 2:oxygen
Explanation:
Plants and animals carry out cellular respiration, but only plants conduct photosynthesis. Cellular respiration is the process in which a cell uses oxygen to convert glucose, a simple sugar, into the energy-carrying molecule, adenosine triphosphate .The oxygen in carbon dioxide is released as oxygen gas.