The answer is option 3 because people with sickle cell anemia have abnormal hemoglobin molecules that is called hemoglobin S, which stick to one another and form long, rod-like structures. These structures cause red blood cells to become stiff and shape into sickles or crescent moons.
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Answer:
Las moléculas grandes que se encuentran en los alimentos intactos no pueden atravesar las membranas celulares. Los alimentos deben dividirse en partículas más pequeñas para que los animales puedan aprovechar los nutrientes y las moléculas orgánicas.
Explanation:
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Answer: Two electrons and a hydrogen ion
Explanation: The light reactions use solar power to reduce NADP+ to NADPH by adding a pair of electrons along with a hydrogen nucleus, or H The light reactions also generate ATP by powering the addition of a phosphate group to ADP, a process called photophosphorylation.
The main cause of reflexes in human is spinl cord
When you gain weight steadily and slowly, you add less body fat and more muscles. It is because if fat lessens, the one who will replace or takes place of the fat that has been lessen will be the muscles. That is why people who undergo to trainings in gym or having to conduct exercise will likely burn fat and these fats will be replaced by muscles.