The benefits of stem cell research are associated with the development of specialized cell lines.
<h3>What are stem cells?</h3>
Stem cells are pluripotent cells that can be used to develop virtually any type of specialized cellular type.
These cells (stem cells) have the ability to self-renew and thus generate germinal layers present in an embryo.
Stem cells are used in research to investigate how certain gene expression patterns determine the formation of certain cellular types.
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Answer:
The chromatin structure undergoes various modification for proper gene expression. Histone acetylation, histone deacetylation, methylation and sumoylation are important for the epigenetics.
Epigenetics may be defined as the change in the genome that affect gene activity, its expression and heritable phenotypic change of the organisms. The DNA sequence is not altered in the epigenetic modification but the gene expression has been modified by methylation or acetylation.
A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
Given what we know, the three sentences in this question all describe the properties of oceanic crust.
<h3>What is the oceanic crust?</h3>
- The oceanic crust is the outer layer of the earth, located at the bottom of the oceans.
- It contains three layers, ordered by number.
- During subduction, this remains the topmost crust.
- It is formed by the solidification of magma.
- The oceanic crust is known to be very dense.
Therefore, we can confirm that the sentences in the question describe oceanic crust given that this is the topmost crust during subduction, formed by the solidifying of magma, making it a much denser rock than the other forms of crust.
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Focus definition, a central point, as of attraction, attention, or activity: The need to ... The need to prevent a nuclear war became the focus of all diplomatic efforts. ... What do a.m. and p.m. stand for? .... the point beneath the earth's surface at which an earthquake or underground