Answer:
The correct answer is option d.
Explanation:
An illustration of epigenetic change is a microbe, which can stimulate modifications in the host DNA, causing suppression of defenses or weakening of individual cells. Epigenetic changes modify the physical composition of DNA.
One of the examples of epigenetic change is DNA methylation. DNA methylation refers to the supplementation of methyl group, which inhibits some of the genes from getting expressed. One of the conditions of DNA methylation is cancer.
In the majority of cancer, the tumor cells go through global hypomethylation. The tumor suppressed genes seem to turn highly methylated in the conditions of cancer.
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades, or even millions of years after a mass extinction
Solute is the substance that dissolves
- Solute is a minor component
- Solvent is a major component
- Solutions is a mixture where the solute is uniformly distributed in the solvent.
- Solution is homogeneous mixture that contains particles the size of a typical ion or small molecule.
- The mass of the solute dissolved per unit volume of solvent is called Concentration
- Solubility is The concentration of a saturated solution
- Solutes lower the freezing point and raise the boiling point of a solvent.
- Saturated Solution is a solution in which no more solid can be dissolved
- Unsaturated Solution is solution in which more solid can be dissolved
- Precipitate is a solid that crystallizes out of a saturated solution as it is cooled.
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Scientists<span> are people who use research and experiments to learn more about the natural world. </span>Scientists<span> use scientific methods to derive knowledge systematically, performing repeatable experiments to ensure that their conclusions are valid and accurate.</span>
