<u>Answer</u> : option A gateway drug
<u>Explanation</u>:
- A gateway drug is considered to be a type of habit forming drug which itself may not be addictive in nature but their use may lead to the person getting addicted to other drugs.
- The increase in probability of using other illegal drugs when a person is using a gateway drug is because of the alteration in the brain which leads to an inclination towards drug usage and a carefree behavior.
- Besides alcohol, marijuana and tobacco are also considered to be gateway drugs.
- It has been shown that the use of alcohol acts a gateway for many drugs such as cocaine.
- The gateway drug theory has stated if any of the gateway drugs or a mixture of them is introduced into a life of a teenager then it leads to an increased chances of experimentation with other drugs in the future.
- Since, alcohol is linked to an increased probability of using illegal drugs in the future, it is considered to be a gateway drug.
<span>The specialization of the functioning of the two halves of the brain is called as lateralization, and it means that the two halves of the brain are not alike. The functional specializations are typical to each hemisphere and some neural functions are more dominant in one hemisphere of the brain. </span>
Answer:
Nucleus
Explanation:
The nucleus is the genetic center of the eukaryotic cell because it contains the genetic material (DNA, RNA) used for the storage of genetic information
I don't know if you mean, what should viruses have to be living, if it's so :
They must be cellular, meaning they should have a cytoplasm a cell membrane and some organelles (at least ribosome).
But if you mean to say what in common they have with livings:
I can say that they have DNA, thats common both with viruses and livings.