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Telomerase is an enzyme that is produced only in cells that are actively dividing. For this reason it is generally absent from body tissues in adults. Bone marrow is an exception to this rule, however, since even in adults, bone marrow cells continually divide to replace old blood cells. Cancers are another exception, because their cells are rapidly dividing.

The information provided most strongly supports which of the following?

正确答案: C

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考回来了

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楼主
发表于 2009-1-4 12:14:00 | 只看该作者

考回来了

...


[此贴子已经被作者于2009-1-6 7:05:18编辑过]
沙发
发表于 2009-1-4 12:16:00 | 只看该作者
LZ一定是高分啦,GX
板凳
发表于 2009-1-4 12:28:00 | 只看该作者

恭喜LZ MM!

这个“另外还考到了我昨天帖的那道原题,真是攒人品了。。。”

这个是什么题目啊?

谢谢拉!

地板
发表于 2009-1-4 12:35:00 | 只看该作者
恭喜恭喜。诗歌是高分区题库,mm肯定考了个好分数。
5#
发表于 2009-1-4 12:39:00 | 只看该作者

热烈祝贺mm考出高分

我的google劳动没白费啊,哈哈!!

6#
发表于 2009-1-4 12:45:00 | 只看该作者
没有白整理阿~~gandong~~记得多少语法阿
7#
发表于 2009-1-4 12:46:00 | 只看该作者

T的enzyme是在細胞分裂fast的時候產生,所以兒童體內的這種T比較多,成年人則幾乎沒有,除過是在骨細胞中,因為骨細胞中的紅細胞(應該就是造血干細胞)仍在分裂生長

,除此之外,癌細胞中的T也有,因為癌細胞分裂的rapidly,最后問能推出什么,我選的是說如果成年人骨中發現T不是癌癥的indication。這個選項的對錯不保證,我還猶豫了一

會兒,有幾個選項好像是在fast和rapidly上做文章的,大家到時留意 C
Telomerase is an enzyme that is produced only in cells that are actively dividing.  For this reason it is generally absent from body tissues in adults.  Bone

marrow is an exception to this rule, however, since even in adults, bone marrow cells continually divide to replace old blood cells.  Cancers are another

exception, because their cells are rapidly dividing.
The information provided most strongly supports which of the following?
A.Telomerase is the only enzyme that is present in cancerous cells but absent from cells that are not actively dividing.
B.In children, the only body tissues from which telomerase is absent are those in which cells are not rapidly dividing.
C.The presence of telomerase in bone marrow is no indication of bone marrow cancer.
D.Cancer of the bone marrow develops more rapidly than cancer growing in any other kind of adult tissue.
E.The level of telomerase production is always higher in cancerous tissue than in noncancerous tissue
this one

8#
发表于 2009-1-4 12:47:00 | 只看该作者

GXLZ!!~~~


[此贴子已经被作者于2009-1-4 12:47:59编辑过]
9#
发表于 2009-1-4 12:52:00 | 只看该作者
恭喜!
10#
发表于 2009-1-4 15:30:00 | 只看该作者
谢谢MM
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