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yawa3891 [41]
2 years ago
13

Identify the principle role of cellular respiration

Biology
1 answer:
densk [106]2 years ago
8 0

Answer: Cellular respiration is the process that occurs in the mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP. This process releases carbon dioxide and water as waste products.

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Calories in and of themselves aren't a reliable way of describing energy density in food. It doesn't reflect what actually happens in your body (look up bomb-calorimeter for how people figure out calorie content in foods). So based on this, the question is a bit of a non-sequitur. But if you disregard that and go with a regular answer, it really depends on what kind of calories you're ingesting because foods get digested in a function of different amounts of time. Carbohydrates will get digested and converted into glucose almost immediately - being very close to 100% energy efficiency. Fats are the slowest as your body needs to produce bile in order to digest it - not enough bile = undigested fat = unused calories. Proteins are turned into either amino acids (not an energy source per se) or converted into glucose like carbs but instead through gluconeogenesis which is a less efficient form of glucose conversion than carbohydrates (since your liver/kidneys need to produce the enzymes to convert it). The efficiency of protein is likely in the range of 50-60% calories. This is just the tip of the iceberg though - your metabolism also plays a part as to how much and when these calories are either used, stored, and excreted by your body. Ever got the meat sweats? That's your body burning excess energy through thermogenesis when you eat too much protein. So it really depends why you're asking because the answer will differ for each scenario.
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3 years ago
Which statement describes how photosynthesis and cellular respiration are interrelated?
padilas [110]

Answer:

Photosynthesis releases energy, while cellular respiration stores energy. Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide. Cellular respiration stores ATP, while photosynthesis releases ATP. Cellular respiration produces oxygen, while photosynthesis uses oxygen.

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Are flowers a method of sexual or asexual reproduction?
kati45 [8]
The method to creating flowers would be a matter of sexual reproduction.
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Read 2 more answers
Why does active transport require energy to move molecules of a substance across a cell membrane?
KengaRu [80]

Answer:

Active transport requires energy because it is not a passive process. The molecule has to go against the concentration gradient. Hence it requires energy to be carried by the carrier proteins.

The energy is used is ATP, which comes from respiration  

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1.the picture above shows a number of plant cells in various stages of the cell cycle the circled cell is undergoing what stage?
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Answer:

d

Explanation:

cff

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