D mantle
The mantle swells up in response to the plate moving
Answer:
<h2>A</h2>
Explanation:
1. Sickle cell anemia is an inherited condition, disorder (disease).
2. It is a recessive condition, in which red blood cell become mutated and converted to a sickle like shape, and there aren't enough healthy red blood cells to carry oxygen throughout the body.
3. This condition normally occur when, there is inheritance of two abnormal or mutated copies of the β-globin gene, one allele from each parent.
4. β-globin gene makes haemoglobin.
5. Sickle cell anemia results when glutamic acid being substituted by valine at position 6 ( in short E6V substitution).
6. So, it a single base-pair substitution in the gene encoding the beta subunit.
Answer
La corteza terrestre temprana apareció hace aproximadamente 4.500 millones de años, después de las últimas etapas de acreción planetaria.
Answer:
To show effectiveness.
Explanation:
The logic of this procedure is to show the effectiveness of Anticholinesterase. Anticholinesterases are the drugs that prevent destruction of the neurotransmitter acetylcholine by the action of acetylcholinesterase enzyme within the nervous system. Anticholinesterases are very important drug due to their effectiveness that decrease breakdown of acetylcholine which is an important messenger of the nervous system so this procedure is very important to the effectiveness of Anticholinesterase drug.
