Answer:
D. when each chromosome is duplicated
Answer:
Both A and R are true. And R is the correct explanation of A.
The correct answer is:
ATP is created as oxygen is consumed, and water is produced along the way
Explanation:
Most eukaryotic cells have mitochondria, which generate ATP from products of the citric acid cycle, fatty acid oxidation, and amino acid oxidation. At the mitochondrial internal membrane, electrons from NADH and FADH2 pass within the electron transport chain to oxygen, which is degraded to water.
H2SO chemical reaction that takes place in the lighting . crackers are activation energy is supplied
Answer:
Human blood contains a buffer of carbonic acid (H2CO3) and bicarbonate anion (HCO3-) in order to maintain blood pH between 7.35 and 7.45, as a value higher than 7.8 or lower than 6.8 can lead to death. In this buffer, hydronium and bicarbonate anion are in equilibrium with carbonic acid.