Answer:
. Vulnerability to
develop an addiction to drugs is dependent on genetic, environmental, social and
biological factors. In particular, the interactions of environmental and genetic factors
indicate the significance of epigenetic mechanisms, which have been found to occur in
response to illicit drug use or as underlying factors in chronic substance abuse and
relapse. Epigenetics is defined as the heritable and possibly reversible modifications in
gene expression that do not involve alterations in the DNA sequence. This review
discusses the various types of epigenetic modifications and their relevance to drug
addiction to elucidate whether epigenetics is a predisposing factor, or a response to,
developing an addiction to drugs of abuse.
Answer:
In the Introduction
The thesis will be at the end of the introduction because the other sentence introduce/bring up the thesis.
The thesis is the main point/message of the passage.
Answer:
D
Explanation:
It gives the main idea that is defended throughout the essay.
Use process of elimination to answer this question. A narrative is a story and JFK is not telling a story. There is also no chronological order. Does he ask questions? Yes, and he answers the key question "Why...the moon?" throughout the speech. So C is your answer.
