During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.
I believe the answer you are looking for is they are all body systems found in the human body, or organ systems.
<span>B. HEMOGLOBIN. In sickle cell anemia, </span>the hemoglobin is mutated or abnormal and it gives the red blood cells a crescent shape. This abnormal hemoglobin is referred to as hemoglobin S.
I choose the option (4) chemical bond.
Glucose is decomposed to 2 pyruvate, acetyl-CoA, and then entering the TCA cycle. All the energy such as ATP, NADH, and FADH2 is generated from braking the chemical bond.