<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.
Carbohydrates can be used as an immediate source of energy by largely all cells, but in many photosynthetic organisms a major portion of the carbohydrates will be used for production of structural compounds, e.g., cellulose in cells walls, or for synthesis of storage products such as starch.
(From the website science direct)
Hope this helps
The answer is A. One way for scientists to gather
information about operons in organisms
is by examining the genome sequence, such as by making use of the intergenic
distance between frames to count the number of operons there is in the genome.
Answer:
beneath the liver and righiside of abdomen
I think its a , but double check because i dont want it to be wrong .