1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Over [174]
3 years ago
6

Description: What are stem cells? Where do stem cells come from? Why are they important?

History
2 answers:
iren [92.7K]3 years ago
6 0
Stem cells are a class of undifferentiated cells that are able to differentiate into special cell types.
They are important because they represent an area in medicine, because they have the potential to regenerate and repair damaged tissue.
Not all stem cells come from embryos but also bone marrow, your teeth and other places.
Jlenok [28]3 years ago
6 0

Answer:

<em>What are stem cells?  </em>

They are cells found in all organisms that have more than one cell. Under appropriate conditions, stem cells divide into new cells. It can be said that they are the raw material from which all other cells are generated. These new cells become new stem cells (self-renewal) or specialized cells with a more specific function (differentiation).  

<em>Where do stem cells come from? </em>

Research has shown that there are several sources of stem cells:

  • Embryonic stem cells: come from embryos that are three to five days old.
  • Adult stem cells: are found in small amounts in most adult tissues, such as bone marrow or fat.
  • Adult cells modified to have the properties of embryonic stem cells by genetic reproduction.
  • Perinatal stem cells that are found in amniotic fluid, as well as in umbilical cord blood.

<em>Why are they important?</em>  

Researchers and doctors hope that stem cell studies can help increase understanding of how diseases occur and develop. The possibility that has arisen to generate healthy cells to replace diseased cells (regenerative medicine) is very important. Stem cells can be oriented to become specific cells that can be used to regenerate and repair diseased or damaged tissues in people.

You might be interested in
What is McCrae’s message about the experience of World War I? Give two examples from the poem that support your answer.
zysi [14]
Ella Osborn’s 1918 diary provides insight into the experiences of an American nurse serving in France at the end of World War I. In addition to her notes about the men under her care and events in France, Osborn jotted down two popular World War I poems, “In Flanders Fields,” by Canadian surgeon Lt. Col. John D. McCrae, and “The Answer,” by Lt. J. A. Armstrong of Wisconsin. McCrae composed “In Flanders Fields” on May 3, 1915, during the Second Battle of Ypres, Belgium. It was published in Punch magazine on December 8, 1915, and became one of the most popular and frequently quoted poems about the war. It was used for recruitment, in propaganda efforts, and to sell war bonds. Today the red poppy of McCrae’s poem has become a symbol for soldiers who have died in combat. In Flanders Fields the poppies grow Between the crosses, row on row, That mark our place. “The Answer” is one of many poems written in response to “In Flanders Fields”: Sleep peacefully, for all is well. Your flaming torch aloft we bear, With burning heart an oath we swear To keep the faith to fight it through To crush the foe, or sleep with you In Flanders Field Osborn’s transcripts of the poems contain some textual differences from the published versions. Based on the ink used in the diary entries and the ink used in the verses, it appears she went back in her diary to find empty pages to include the poems. Transcripts [The poems as transcribed in Osborn’s diary contain some textual differences from the published versions.] In Flanders Fields In Flanders Fields the poppies grow Between the crosses, row on row, That mark our place. While in the Sky The larks still bravely singing, fly 2 World War I poems: “In Flanders Fields” & “The Answer,” 1918 © 2014 The Gilder Lehrman Institute of American History www.gilderlehrman.org Unheard, amid the guns below. We are the dead, Short days ago We lived, felt dawns, saw sunsets glow; Loved and were loved – but now we lie In Flanders Field Take up our quarrel with the foe! To you from falling hands we throw The torch, Be yours to bear it high! If ye break faith with us who die We shall not sleep tho’ poppies blow In Flanders Field. The Answer – In Flanders Field the cannon boom And fitful flashes light the gloom; While up above, like Eagles, fly The fierce destroyers of the sky; With stains the earth wherein you lie Is redder than the poppy bloom In Flanders Field. Sleep on ye brave! The shrieking shell, The quaking trench, the startling yell, The fury of the battle hell Shall wake you not; for all is well. Sleep peacefully, for all is well. Your flaming torch aloft we bear, With burning heart an oath we swear To keep the faith to fight it through To crush the foe, or sleep with 
5 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
qaws [65]

Answer:

conflicts reasulted in political parties

3 0
3 years ago
Read 2 more answers
Mga salik ng kanlurang asya​
yKpoI14uk [10]

Answer:

pinagmulan,kasaysayan,kayamanan,pagkakakilanlan

Explanation:

hope it helps po

8 0
2 years ago
How is the United States government based apon John Locke’s idea of a social contract?
Damm [24]

Answer:

The government of the USA, that is, those who rule, do it by the consent of those ruled. This is the key idea of the social contract. The people, the nation´s sovereign , express their consent by voting for those who are in power, for those who represent them. This is today´s expression of John Locke´s idea.

Explanation:

6 0
3 years ago
What would the conditions been like on the Trail of Tears
Darya [45]
Water i think 222222222
7 0
3 years ago
Read 2 more answers
Other questions:
  • Please please please help me :(
    6·1 answer
  • 8) How did Popes use the threat of excommunication to their advantage?
    5·1 answer
  • True or False: The delegates to the Constitutional Convention faced difficulties reaching compromise on the issues of slavery, r
    14·2 answers
  • The interaction between buyers and sellers in the marketplace leads to goods and services being distributed by _____. market sha
    7·2 answers
  • What Act was found unconstitutional by the Supreme Court because of the wording of the Fourteenth Amendment?
    13·2 answers
  • Match each character or place from the liad to the appropriate description.
    7·1 answer
  • How are the Senate leaders chosen?
    11·2 answers
  • Laws controlling the number of immigrants allowed to enter the United States were passed in the 1920s because of all of the foll
    9·1 answer
  • What effect does the conclusion of the text, focused on the attack of Charles Sumner, have on the development of the central ide
    12·1 answer
  • What impact did the Hundred Years' war and the bubonic plague have on medieval europe
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!