The enzyme that makes RNA knows where to start transcribing the DNA by knowing where to start transcribing at the promoter site. For example,<span> TATA Box in Eukaryotes. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
I would say that support is crucial, especially family support for people with eating disorders. For example, those people who are under a lot of stress may eat too much and thus gain too much weight, whereas those who are depressed may eat too little so lose weight and both conditions can be helped by moral support and helping the afflicted person seek help as in medical help, massage, energy healing etc to help relieve their stress.
The answer is stem cells, they consist of classes of cells
that are undifferentiated and are able to be classified them into types like
specialized cells. They consist of having two main sources that will help them
develop and mature, these main sources are called the embryonic stem cell and
the adult stem cell.