Answer:
He
Explanation:
helium has two positive protons and two negative neutrons
and two negative electrons
Answer:
Notice the large difference in the number of hydrogen ions on the two sides of the membrane. This difference is a hydrogen ion, or proton, concentration gradient. The energy associated with this gradient is used to synthesize ATP from ADP and Pi. This occurs at the ATP synthase complex.
Explanation:
Hi , matter is made of single particles called atoms and is any substance that has either mass or volume.
Answer:
This disorder may reduce the number of muscle cells and thus affects the muscle mass
Explanation:
During aging, it has been shown that there is a reduction in the number of muscle cells which are replaced by connective tissue and adipose cells. In consequence, it is expected that this type of disorder associated with faulty cell cycle regulation may cause a decrease in muscle mass