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【简答题】
核酸可分为_________和脱氧核糖核酸(DNA)。
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列有关实验操作 “先”与“后”的说法中正确的是
A.
实验室制取气体，先把药品装入试管，再检查装置气密性
B.
加热氯酸钾制 O 2 并用排水法收集，实验完毕先熄灭酒精灯后从水槽中移出导管
C.
一氧化碳还原化铜，先加热氧化铜粉末至红热，后通入一氧化碳气体
D.
实验室加热药品，先均匀预热，再固定加热
【简答题】钢丝绳6×19表示6为 数,19为 数
【单选题】Darwin’s thinking both drew upon and __________ the conventional ideas of his time.
A.
maintain
B.
inhibit
C.
transcend
D.
deviate
【单选题】Darwin's thinking both drew upon and _________ the conventional ideas of his time.
A.
bypassed
B.
endeavored
C.
nominated
D.
transcended
【单选题】Darwin’s thinking both drew upon and _______ the conventional ideas of his time.
A.
transcended
B.
transited
C.
transferred
D.
transmited
【单选题】Darwin's thinking both drew upon and _______ the conventional ideas of his time.
A.
transcended
B.
preclude
C.
deviate
D.
handicap
【单选题】Darwin's thinking both drew upon and _________ the conventional ideas of his time.
A.
transcended
B.
bypassed
C.
endeavored
D.
nominated
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