皮皮学，免费搜题
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【单选题】
持家（housekeeping）基因：A.
组成型表达
B.
含有高度甲基化的 CpG 岛
C.
编码只在特定组织中需要的蛋白
D.
上述表述
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】龙胆科植物秦艽、粗茎秦艽、麻花秦艽的干燥根分别称 ( )A.秦艽、麻花艽和小秦艽B.麻花秦艽和小秦艽C.秦艽和小秦艽D.秦艽和麻花艽A. 1 B. 1 C. 1 D. 1
【简答题】Translation a. Young men, never give up. Never give up! Never give up! Never, never, never, never! (Para.2, L6) b. No task is too hard. No amount of preparation is too long or too difficult. (Para.3, ...
【简答题】E Britain’s 101-year-old Queen Mother , who died on March 30 , was famous for never giving interviews . However , her few publicized comments showed humor , a strong will and love for life . In the 19...
【单选题】In this part of the quiz, indicate the main function of the term or phrase that is in boldface in the following passage. More than one letter might be acceptable, but you must choose only one option a...
A.
P = a premise marker
B.
C = a conclusion marker
C.
A = an assuring term
D.
G = a guarding term
E.
D = a discounting term
F.
E+ = a positive evaluative term
G.
E- = a negative evaluative term
H.
H. N = none of the above
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