Answer:
Sickle cell disease in an autosomal recessive inherited disease which is caused by the mutation in the HBB (hemoglobin-β gene) gene present on the chromosome no. 11. In sickle cell, the red blood cells become sickle shape due to the abnormal shape of hemoglobin present in it.
These sickle cells are known to form a blockage in the blood vessels thereby causing damage to the vital organs. Human spleen constantly destroys sickle cells because they get trapped in it which causes a disease called sickle cell anemia.
Sickle cell anemia is normally the problem in genetic disease which is inherited from the parents to children. When both the DNA strand has a mutation in their HBB gene then only this disease will affect the individual.
Answer:
There are five major causes of extinction: habitat loss, an introduced species, pollution, population growth, and overconsumption.
Electrical
Neurons typically communicate using ___________ signals to communicate within a neuron.
Answer:
Neurasthenia
Explanation:
The gilded age refers to the last decades of the nineteenth century that is between the 1870s to about 1900.
The medical term which was used during the Gilded age to refer to the condition caused by the weakness of the nerves or nervous breakdown or nervous illness is Neurasthenia.
The Neurasthenia was marked by the symptoms of the depression, the fight or flight responses such as indigestion, the nervousness and the irritability.
Thus, Neurasthenia is the correct answer.
