Answer: B) Cross sectional study
Explanation:
Cross-sectional study is defined as the researching method through which population or other subject subset is observed and analyzed at certain period of time to evaluate their behavior.The data is gathered about different different population for assessment.
Other options are incorrect because longitudinal design, cross-lagged panel method or ex-post-facto researching technique is not used for measuring and analyzing the subject at a particular time stamp.Thus, the correct option is option(B).
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:
a
Explanation:
Marie is learning what is expected in the lunchroom by watching the interactions of the older more experienced children