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Inessa05 [86]
3 years ago
11

The spinal cord is a thick column of nervous tissue that links the brain to the ____? a peripheral nervous system b muscular sys

tem c excretory system d endocrine system
Biology
1 answer:
olga_2 [115]3 years ago
5 0
A. Peripheral nervous system
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Which example illustrates that individuals' lives are not entirely shaped by social structures?
Law Incorporation [45]

To illustrates that individuals' lives are not entirely shaped by social structures. Oprah Winfrey was born into poverty but rose to become one of the wealthiest people in America.

<h3>What are social structures?</h3>

The social structure. social structure is important from a sociological perspective because it influences how we behave. It can refer to a group's typical patterns, such as the relationships between men and women or students and teachers. Class Social. according to income, level of education, and standing in the field. Status.

Gender roles, the incest taboo, religious and healing rituals, mythology, marriage, language, art, dance, music, cooking, games, jokes, sports, birth and death because they involve ritual ceremonies as an accompaniment, etc. are examples of elements that may be considered cultural universals.

People learn how to function effectively in a society through a process known as socialisation.

TO learn more about social structures visit:

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7 0
1 year ago
How specifies that are separated for a river, rocks, mountains, forest ; can at some point not being able to interbreed anymore
Allushta [10]

Answer:

Species separated by a physical barrier for a long time, suffer allopatric speciation, so they can not interbreed anymore.

Explanation:

Allopatric speciation consists of the geographic separation of a continuous genetic background giving place to two or more new geographically isolated populations. These separations might be due to migration, extinction of geographically intermediate populations, or geological events. In this speciation, some barriers impede genetic interchange, or genetic flow, as the two new populations that are separated can not get together and mate anymore. These barriers might be geographical or ecological.

Vicariance is the geographical separation of an original population into two or more new groups. Discontinuities in the physical environment like rivers, mountains, water, etc., are physical barriers that impede genetic flow between the separated groups.

The process of allopatric speciation involves different steps:  

  1. The emergence of the barrier.  
  2. Interruption in the genetic interchange
  3. The occurrence of new mutations and their accumulation in time in each population. Slow and gradual differentiation.
  4. Genetic divergence by natural selection and reproductive isolation makes it impossible for the two groups to mate even if the barrier disappears.  
  5. Prezigotic isolation mechanisms favored by selection once occurs a secondary contact between the new species in formation.

8 0
2 years ago
What is the most common health problem associated with consumption of too much sodium?
stellarik [79]
The most common health problem associated with consumption of too much sodium increases blood pressure which can lead to heart disease. Other problems that result from too much salt intake are high cholesterol and heart attacks.  
5 0
3 years ago
What is the mRNA base sequence created from the DNA base sequence of GAA TAG GTA
goldenfox [79]

Answer:

the base sequence would be GAA UAG GUA

Explanation:

Compared to DNA, RNA uses uracil instead of thymine, therefore every T changes to U.

4 0
3 years ago
What happens after activation of T cells<br>​
NikAS [45]

Answer:

Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.

Explanation:

Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.

8 0
3 years ago
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