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ridzrana02
12.08.2020 •
Biology
How does a DNA mutation cause a disease like sickle-cell anemia? (1 point)
O The DNA cannot be used to produce proteins.
O The DNA is not transcribed correctly.
O The DNA does not replicate properly.
O The DNA codes for proteins that do not function properly.
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Ответ:
The DNA is not transcribed correctly.
Explanation:
Sickle cell anemia is caused by a single code letter change in the DNA. This in turn alters one of the amino acids in the hemoglobin protein. Valine sits in the position where glutamic acid should be. The valine makes the hemoglobin molecules stick together, forming long fibers that distort the shape of the red blood cells, and this brings on an attack.
Ответ:
The DNA is not transcribed correctly.
Explanation:
Sickle cell anemia is caused by a single code letter change in the DNA. This in turn alters one of the amino acids in the hemoglobin protein. Valine sits in the position where glutamic acid should be. The valine makes the hemoglobin molecules stick together, forming long fibers that distort the shape of the red blood cells, and this brings on an attack.
Ответ:
carbohidratos
Explanation:
Carbohidratos (o Carbohydrates en ingles)- la primera funcion de los carbohidratos es suministrarle energia al cuerpo, especialmente al cerebro y el systema nervioso.