Hemoglobin SS and sickle beta zero thalassemia are the most severe forms of sickle-cell disease and are sometimes referred to as sickle cell anemia. Hemoglobin SC disease is considered moderate and in general, sickle beta plus thalassemia is the mildest form of sickle-cell disease.
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The right answer is Nutrients and water.
All unicellular organisms such as bacteria and fungi need water, a source of energy, a source of carbon, a source of nitrogen and mineral elements. These basic needs are sufficient to allow the nutrition of bacteria qualified as prototrophs. Some bacteria called auxotrophs require, in addition to basic needs, the presence of growth factors.
Two brain structures the size of matchsticks that rest above the nasal cavities are the olfactory bulbs.
It is a part of your brain which is responsible for providing your with olfactory activities, meaning, the ability to smell. It is located at the foremost front of your brain, somewhere around your eyes, and is connected with the nose to give the smelling sensation.
