Wind turbines operate on a simple principle. The energy in the wind turns two or three propeller-like blades around a rotor. The rotor is connected to the main shaft, which spins a <span>generator to create electricity.</span>
The neuron, or nerve cell, is the basic functional unit of the nervous system
Answer:
meiosis
Explanation:
Down syndrome is an abnormality that occurs on chromosomes 21, it occurs because chromosomes 21 cannot be separated in meiosis, the pair of chromosomes 21 do not separate and go together to one of the daughter cells. In this way, the oocyte or the resulting sperm will have 24 chromosomes instead of 23. When in conception that oocyte or sperm joins the germ cell of its partner that contributes the 23 chromosomes, the total sum of chromosomes that will have the first cell of the new conceived being will be 47.
The disorder is called Acromegaly. Acromegaly is
a chronic metabolic condition described by gradual, easily seen enlargement and
elongation of the bones of the face, jaw, and extremities cause by over
secretion of the pituitary gland after puberty. It is usually caused due to a
tumor of the pituitary gland.