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Artemon [7]
2 years ago
12

According to the Focus on Neuroscience box on the adolescent brain, the amount of gray matter in the brain peaks at about age __

___ for girls and age _____ for boys.
Biology
1 answer:
nexus9112 [7]2 years ago
8 0

Answer:

11 year in girls and 12 years in boys

Explanation:

The volume of grey matter peaks at the adolescent age of child, however it starts growing since the childhood. It is considered that a girl’s adolescent age starts from 11 years while a boy’s adolescent age starts from 12 years. Thus, grey matter reaches at its peak when  girls reaches the age of 11 years and boy reaches the age of 12 years.

Grey matter starts declining as adulthood is reached in both male and female.

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CD8+ T cells is the type of cell attacks a variety of unwanted cells and causes those cells to undergo apoptosis

Apoptosis occurs normally when the development and the aging and as a homeostatic mechanism to maintain the cell populations in the tissues. Apoptosis can also occurs as the defense mechanism such as in the immune reactions or when the cells are damaged by the disease or the noxious agents

Apoptosis is basically form of the programmed cell death that is occurs in the multicellular organisms. the Biochemical events lead to the characteristic cell changes and the death. These changes may include the blebbing, cell shrinkage, the nuclear fragmentation, and the chromatin condensation, the DNA fragmentation, and the mRNA decay

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C. The female cone releases its seeds and new sporophytes grow.

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He coined the term "factors" which are today known as alleles. These factors paired up and displayed a particular phenotype. Today we know that the alleles are responsible for a genotype which ultimately results in a phenotype. Hence, he established that genotype is responsible for establishing phenotype even before the term genotype was coined.  

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