Answer:
The correct answer will be option- A.
Explanation:.
Histone demethylases are the enzymes which controls the gene expression of any gene. These enzymes play an important role in epigenetic control of gene. The post-translational modifications like methylation and acetylation changes the structure of the chromatin which alters the interactions of the chromatin.
The histone demethylase removes the methyl group from the histone tails which causes the condensation of the loose chromatin structure to form heterochromatin.
Thus, option-A is the correct answer.
950 A.D. Named after the Norse fire god Surtur, Surtsey (Surtur's island) is one of the world's newest islands. In November 1963, Surtsey was formed in a volcanic eruption which heaved it up out of the waters 18 km (11 mi) south-west of Heimaey; 32 km (20 mi) off the south coast of Iceland.
Answer:
Photosynthesis and respiration are reactions that complement each other in the environment. They are in reality the same reactions but occurring in reverse. While in photosynthesis carbon dioxide and water yield glucose and oxygen, through the respiration process glucose and oxygen yield carbon dioxide and water.
Explanation:
Photosynthesis makes the glucose that is broken down by cellular respiration. Cellular respiration converts the glucose that is made by photosynthesis to oxygen. Photosynthesis converts the glucose that is made by cellular respiration to carbon dioxide
Each individual experiences grief in a distinct manner. Usually, a person experiences grief in cycles or waves. This means that there is the duration of painful and intense feelings, which come and go.
There are certain factors or ways by which an individual experiences grief. These are:
1. The association of a grieving person had with the person whose death had taken place.
2. The reason of death, that is, the process of grieving may differ on the basis of whether the person death has taken place suddenly or whether the person was ill for a longer time period.
3. Even the grieving experience is shaped by the individual's culture and society. Every culture has its own array of rituals or beliefs for bereavement and death. This also influences that how the individual encounters and experience grief.
