Sickle cell anemia is an inherited, autosomal disease.
It is controlled by negative feedback loop.Let's say you have high glucose level in your blood,that will be registered and pancreas will produce more insulin to keep it in the normal range.Therefore by negative feedback loop it will regulate homeostasis
Gravity is a force that pulls objects down. If there was no gravity the book would not fall, nor would it move unless it is acted upon by an outside force.
So your answer would be, The book would stay where it is
The answer would be a mantle
B- Electron transport chain
