Answer:
B) The inhibition of normal myelin development in the individual's brain
Explanation:
Phenylketonuria is a disorder characterized by abnormal levels of phenylalanine in the body. It is <u>caused by mutation in DNA that leads to the deficiency of an enzyme known as phenylalanine hydroxylase, which converts phenylalanine to tyrosine</u>, a fundamental substance for dopamine production - related to working memory.
Some of the symptoms of this disorder is intellectual disability, which is caused mainly by demyelination or defective myelin biosynthesis, leading to the <u>inhibition of myelin, a fatty insulating sheath that protects nerves</u>.
Therefore, the cause of the intellectual disability in the individual is <u>the inhibition of normal myelin development in the individual's brain.</u>
Answer:
Mongolia
Explanation:
Mongolia has very little arable land, which means historically they have not been able to grow enough crops to support a large population. Until the 20th century Mongolians were largely a herding people, and that just doesn't support dense populations.
Answer:a) Regency effec b) Primary effect
Explanation:The Primacy/Recency Effect refers to the fact that one is able to remember the first information or what they hear first or what they encounter at the begining (primacy ) and the last information at the end(Recency) better than they remember the information found in the middle .
Primacy is likely caused by the fact that one has plenty of time to recall this first presented Information because it doesn't compete with other information as it is the first encounter. Middle information is hard to recall because there is usually a lot of information to recall in the middle whilst the last information is usually short as does the first information.
Answer:
Testimonial
Explanation:
It's one of the most tried and trusted forms of advertisements. It is a scenario in which a person testifies to the possible effects of the product or services. Especially if the testifier is well known, hence the use of celebreties as in this case, an actor.
Answer: better, worse performance
Explanation:
Sleep deprivation has a negative effect in the body because for organ system to function better and properly, the body needs quality rest. When you subject the body by depriving it of it's rest as at when due leads to learning and memory impairment and also reduce your focus and attention. For better performance, students are advised to study and get good quality and quantity sleep