According to DNA methylated bases, the cell alteration linked to differential cytosine methylation on disease patients' DNA is referred to as an epigenetic modification.
<h3>What do you understand by epigenetics?</h3>
The study of epigenetics, a branch of genetics that focuses on how various chemical alterations to the DNA nucleotide sequence and associated chromatin proteins (histones) may change the expression of particular genes, is crucial for understanding disease states and developmental pathways.
The epigenetic changes, which control gene expression in specialized eukaryotic cells, include DNA methylation organized on CpG islets (cytosine-rich areas), acetylation and/or methylation of histones, non-coding RNA pathways, etc.
The study of how chemical groups added to DNA and/or associated chromatin proteins may change gene expression and hence affect the status and progression of disease is known as epigenetics, according to the findings presented here.
To know more about epigenetics, refer
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B: single celled because protest has more than one cells
The answer is invasive species.
<span>Invasive species are species that are not native to the specific ecosystem, but they are capable of spreading widely through the ecosystem. This way they can threaten native species of the ecosystem or cause environmental harm.
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<span>After being introduced into the
Hawaiian Islands, the cane toads greatly affect local ecosystem. In the new area, they
have a few natural predators and are able to spread. If they spread beyond
the area they are introduced, they become invasive species which can
overgrow native biotopes and are a great threat to the local biodiversity.
This could lead to the extinction of some native species.</span>
Speed. This is more of a physics question.
