Khan Academy | Khan Academy
Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.
ATP cycle and reaction coupling - Khan Academy
ATP stores useable energy and is converted to ADP when ATP when an organism wants use some of that stored energy. Energy which an organism wants to use a later time can be used …
Khan Akademy | Khan Akademy - Khan Academy
Ups. Da ist etwas schief gelaufen. Bitte versuche es noch einmal. Oh oh, es sieht so aus, als ob wir auf einen Fehler gestoßen sind. Du musst aktualisieren. Wenn dieses Problem weiterhin …
Regulation of cellular respiration (article) | Khan Academy
ATP, ADP, and NADH are examples of molecules that regulate cellular respiration enzymes. ATP, for instance, is a "stop" signal: high levels mean that the cell has enough ATP and does not …
The Calvin cycle (article) | Photosynthesis | Khan Academy
How the products of the light reactions, ATP and NADPH, are used to fix carbon into sugars in the second stage of photosynthesis.
2nd quarter | SHS Biology 1 | Science | Khan Academy
Practice Up next for you: ATP and reaction coupling Get 3 of 4 questions to level up!
ATP: Adenosine triphosphate (video) | Khan Academy
Energy is stored when ATP is formed and released when it's broken down into ADP (Adenosine Diphosphate) and a phosphate group. This energy release powers various biological processes.
2nd quarter: Quiz 1 | Respiration | Khan Academy
Review the following recommended lessons to help you learn: {list of lessons covered by quiz}
细胞呼吸调节 (文章) | 细胞呼吸的不同种类 | 可汗学院
当细胞分解葡萄糖等燃料以产生ATP时，它们将面临相关的问题。 如果细胞的 ATP供应量很低，最好尽快分解葡萄糖，补充来“保持灯亮”的ATP。 另一方面，如果ATP的供应量很高，那么以最 …
Overview of cellular respiration (video) | Khan Academy
The Krebs cycle occurs in the mitochondrial matrix, where pyruvate is turned into acetyl-CoA, which then goes through a series of reactions, producing ATP, NADH, and FADH2.