绗簩绔?/p>
鏍搁吀鍖栧
.
涓夈�佸吀鍨嬭瘯棰樺垎鏋?/p>
1.
涓嬪垪鍑犵
DNA
鍒嗗瓙鐨勭⒈鍩虹粍鎴愭瘮渚嬩笉鍚岋紝
鍝竴绉?/p>
DNA
鐨?/p>
Tm
鍊兼渶浣?/p>
锛?/p>
1999
骞寸敓鍖栬瘯棰橈級
A. DNA
涓?/p>
A-T
鍗?/p>
15
锛?/p>
B
锛?/p>
DNA
涓?/p>
G-C
鍗?/p>
25
锛?/p>
C. DNA
涓?/p>
G-C
鍗?/p>
40
锛?/p>
D
锛?/p>
DNA
涓?/p>
A-T
鍗?/p>
80
锛?/p>
E. DNA
涓?/p>
G-C
鍗?/p>
55%
[
绛旀
]
D
2.
鏍搁吀鐨勫悇鍩烘湰鍗曚綅涔嬮棿鐨勪富瑕佽繛鎺ラ敭鏄?/p>
(2000
骞寸敓鍖栬瘯棰?/p>
)
A
锛庝簩纭敭
B
锛庣硸鑻烽敭
C
锛庣７閰镐簩閰敭
D
锛庤偨閿?/p>
E
锛屾阿閿?/p>
[
绛旀
)
C
3
锛?/p>
DNA
鐨勪簩绾х粨鏋勬槸
锛?/p>
A
锛?/p>
伪
鈥旇灪鏃?/p>
B
锛?/p>
尾
-
鐗囧眰
C
锛?/p>
尾
鈥旇浆瑙?/p>
D
锛庤秴铻烘棆缁撴瀯
E
锛屽弻铻烘棆缁撴瀯
[
绛旀
)
E
4. DNA
鐨勭儹鍙樻�х壒寰佹槸
A.
纰卞熀闂寸殑纾烽吀浜岄叝閿柇瑁?/p>
B
锛庝竴绉嶄笁鑲¤灪鏃嬬殑褰㈡垚
C
锛庨粡搴﹀楂?/p>
D
锛庤瀺瑙ｆ俯搴﹀洜
G-C
瀵圭殑鍚噺鑰屽紓
E
锛庡湪
260nm
澶勭殑鍏夊惛鏀堕檷浣?/p>
[
绛旀
]
D
5.
涓嬪垪鍏充簬
DNA
纰卞熀缁勬垚鐨勫彊杩帮紝姝ｇ‘鐨勬槸
A.
涓嶅悓鐢熺墿鏉ユ簮鐨?/p>
DNA
纰卞熀缁勬垚涓嶅悓
B
锛屽悓涓�鐢熺墿涓嶅悓缁勭粐鐨?/p>
DNA
纰卞熀缁勬垚涓嶅悓
C.
鐢熺墿浣撶⒈鍩虹粍鎴愰殢鐫�骞撮緞鍙樺寲鑰屾敼鍙?/p>
D
锛?/p>
A
鍜?/p>
C
鍚噺鐩哥瓑
E
锛?/p>
A+T=G+C
[
绛旀
]
A
6
锛?/p>
DNA
鍙楃儹鍙樻�ф椂
(
澹?/p>
998
骞寸澹爺绌剁敓鍏ュ鑰冭瘯棰?/p>
)
A.
鍦?/p>
260nm
娉㈤暱澶勭殑鍚稿厜搴︿笅闄?/p>
B
锛屽鏍歌嫹閰搁摼鏂鎴愬鏍歌嫹閰搁摼
C.
纰卞熀瀵瑰彲褰㈡垚姘㈤敭
D
锛屽姞鍏ヤ簰琛?/p>
RNA
閾撅紝鍐嶅喎鍗达紝鍙舰鎴?/p>
DNA
锛?/p>
RNA
鏉備氦鍒嗗瓙
E.
婧舵恫榛忓害澧炲姞
[
绛旀
]
D
7
锛屽湪鏍搁吀涓崰
9
锛?/p>
"-11
锛咃紝涓斿彲鐢ㄤ箣璁＄畻鏍搁吀鍚噺鐨勫厓绱犳槸
(1997
骞?/p>
纭曞＋鐮旂┒鐢熷叆瀛﹁�冭瘯棰?/p>
)
A.
纰?/p>
B
锛屾哀
C
锛庢爱
D
锛庢阿
E
锛庣７
[
绛旀
]
E
8
锛屼笅鍒楀叧浜?/p>
B-DNA
鍙岃灪鏃嬬粨鏋勬ā鍨嬬殑鍙欒堪涓摢涓�椤规槸閿欒鐨?/p>
?
A.
涓ゆ潯閾炬柟鍚戠浉鍙?/p>
B
锛屼袱鑲￠摼閫氳繃纰卞熀涔嬮棿鐨勬阿閿浉杩?/p>
C
锛庝负鍙虫墜铻烘棆锛屾瘡涓?/p>
铻烘棆涓?/p>
10
涓⒈鍩哄
D
锛庡槍鍛ょ⒈鍜屽槯鍟剁⒈浣嶄簬铻烘棆澶栦晶
E
锛庤灪鏃嬬殑鐩村緞涓?/p>
20A
[
绛旀
)
D