Explanation:
Pyruvic acid supplies energy to living cells through the citric acid cycle (also known as the Krebs cycle) when oxygen is present (aerobic respiration), and alternatively ferments to produce lactic acid when oxygen is lacking (fermentation).Hope it helps
Answer:
Explanation: Three atmospheric processes modify the solar radiation passing through our atmosphere destined to the Earth's surface. These processes act on the radiation when it interacts with gases and suspended particles found in the atmosphere.
The Electromagnetic spectrum<span> lists the most powerful EMR, </span>gamma<span> rays, to the least powerful EMR, radio waves. In addition, the highest energy waves (</span>gamma<span>, x-ray) have the shortest wavelengths. The lowest energy waves, radio waves, have longest wavelengths.</span>
The skin and the liver are two organs that would be easy for stem cells to repair. What would be difficult to repair would be the apical meristem and the lateral.