Ingestion of antianxiety drug and alcohol will likely result
to an increase of GABA or also known as the gamma Aminobutyric acid. It is the
one responsible of neuronal excitability reduction in the nervous system of an
individual and it plays a neurotransmitter in the CNS.
This fossil must be younger than 475 million years old, because that is when land plants arose
Chromosome 7 may lose an end piece resulting in Williams syndrome, which is an example of a chromosomal deletion.
<h3>What is a chromosomal deletion?</h3>
A chromosomal deletion can be defined as a chromosome rearregement due to the loss of a fragment of the sequence of one chromosome, which leads to the loss of genetic material.
In conclusion, Chromosome 7 may lose an end piece resulting in Williams syndrome, which is an example of a chromosomal deletion.
Learn more about chromosomal deletions here:
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C. Permafrost
Permafrost is the layer beneath the "active layer". The active layer consists of soil that freezes and thaws every year. However, the requirement for permafrost is that it be frozen for two or more years consecutively. This is why permafrost exists in cold environments such as tundras.