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NeTakaya
3 years ago
14

Which term best summarizes the process of self-feeding?

Biology
2 answers:
horrorfan [7]3 years ago
7 0
B.photosynthesis is the correct answer
Leno4ka [110]3 years ago
6 0
The answer is B. Photosynthesis is when a plant uses sunlight, carbon dioxide, and water to to make food in order to provide energy for the rest of the processes the plant has to do.
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Other organisms were another factor. What kinds of changes in other populations of organisms could be affecting the moths?

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Is it possible for natural selection to create a new species? Explain your answer. *
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Why are most fertilizers rich in nitrogen and phosphorous?
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Which is an advantage of sexual reproduction over asexual reproduction?
wolverine [178]

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Can someonee please explain the Krebs Cycle, glycolysis, and the electron transport chain? THANK YOU
Paladinen [302]
Hello! Cellular respiration can be confusing in textbooks and in general, so I've explained it in my own words the best I can to simplify it. :)

To start off, all of these processes are part of cellular respiration, which is a process cells use to extract energy from food and convert it to ATP, or energy.

Glucose + Oxygen <span>→ Water + Energy (ATP)

Here are the steps of cellular respiration:

1. Glycolysis- This process occurs in the cytoplasm. Glycolysis breaks down one molecule of glucose, a six-carbon molecule, into two three-carbon molecules called pyruvic acid. This process also produces four molecules of ATP, however, two molecules of the ATP are used in glycolysis, which means there is a net gain of 2 ATP molecules.

In short: Glycolysis= 1 molecule of glucose to 2 molecules of pyruvic acid/pyruvate, and also produces produces 2 ATP

Pyruvic acid is necessary to the next step of cellular respiration, which is the Krebs cycle.

2. Krebs Cycle (Citric Acid Cycle)- This process takes place in the matrix of the mitochondria of the cell. Pyruvate combines with coenzyme A before it enters the cycle. During the conversion of pyruvate to acetyl co-A, carbon dioxide is produced. Two rounds of this cycle occurs per glucose molecule.

In short: Krebs= Pyruvate + coenzyme A = acetyl coA, releases CO2 during this process, 3 NADH, 1 ATP, and 1 FADH.

3. Electron Transport Chain- This process creates a concentration gradient between protons, creating energy during chemiosmosis. This process produces 34 ATP molecules.

I hope this helps, and let me know if you have any questions! ^-^</span>
4 0
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