教育学习   常速英语

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SPEAKER: The sweet, energetic glucose molecule is the energy source providing power for your living cells. Glucose, from the food you eat, is slowly broken down into two pyruvate molecule...

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MALE: The product of glycolysis. The pyruvate molecule is the source of carbon and electrons for aerobic respiration reactions inside your mitochondria. Pyruvate enters pores on the mit...

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All life on Earth depends on this tiny energetic molecule, adenosine triphosphate or ATP. ATP drives biochemical activity inside your living cells and is a key building block of DNA and RN...

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SPEAKER: The center of activity that brings your cells to life is found inside the dynamic mitochondria organelle. The inner mitochondrial membrane is coated with enzymes that catalyze th...

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SPEAKER: There are several ways to test whether someone has been infected with SARS COV-2. Some tests can detect if you have an active infection or an infection that is happening right ...

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SPEAKER: This is the virus SARS-CoV-2. Its name stands for Severe Acute Respiratory Syndrome Coronavirus 2. You may have heard it called just the coronavirus, or COVID-19. Coronaviru...

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G3P, the net product from the Calvin cycle, can be used to generate other organic molecules, such as sucrose or starch. Sucrose produced by leaf cells is transported through the vascula...

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The Calvin cycle takes place in the chloroplast’s stroma, the watery clear fluid surrounding the thylakoids. It’s helpful to think of the Calvin cycle in three phases: fixation, reduction,...