바이러스학 HIV[a+]

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HIV
HIV는 감염성 미생물 종류에 속하는 바이러스며, 바이러스 분류상 레트로바이러스(Retrovirus)과에 속하며, lentivirus로  분류된다.
single strand RNA를 diploid형태로 하여 genome으로 갖는다. 이 virus는 다른 RNA종양 virus처럼 gag, pol, env 유자를 포함하며 그 밖에도 두 개의 개방된 해독틀을 더 가지고 있어서 이에 의해서 HIV의 구성 단백질이 존재함을 가리킨다. 이 중에서 41k. 120k, 1260k 달톤의 폴리펩티드는 당단백질이고 나머지는 핵심 단백질이며 현재 폴리펩티드의 종류 및 항원성의 차이로 HIV1과 HIV2로 구분된다.
HIV는 다른 retrovirus와 마찬가지로 입자 안에 reverse transcriptase를 가지고 있으며 이를 이용하여 세포 안에서 RNA를 바탕으로 DNA를 만들어 내는 역전사 과정을 수행한다.
HIV1는 AIDS(후천성 면역 결핍증)을 유발하는 virus로 알려져 있다.

목차

PURPOSE FOR EVALUATION
BACKGROUND
Allie’s Death
Being alone in New York city
SUMMARY AND RECOMMENDATION

본문내용

PURPOSE FOR EVALUATION

Holden Caulfield is a 16-year-old male prep school student who had been kicked out from 4 schools because of his grades. It was right after he got kicked out from 4th school when he first came to this hospital, and he had a very serious nervous breakdown in that time. His breakdown was not due to his school life, however, but due to quite duplicated mental problem he got since he was 13-year-old. And there were few events that had led him to such that mental conditions. The biggest event that affected him among them all, and which could be considered as the start of his actual mental problem, is his two years younger brother, Allie’s death. Allie’s death had affected Holden’s life and mental condition greatly from the day Allie had died, and it just grabbed Holden’s mental in the world of thirteen. And all the problems he got were basically due to that point. And if Allie’s death was the general and background cause of Holden’s breakdown, there is another cause of Holden’s breakdown which affected him very directly. That is, his experiences while being alone in New York city. While he stayed in New York city alone for 3 days, he realized something that he could never figure out for years. And he got depressed by what he realized and its impact had directly led him to his nervous breakdown. There are few more causes in a bit more detail, but these two are just the major events that had affected Holden’s mental condition. Then how did they, and what really did affect Holden’s mental condition?

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