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【单选题】
组织DNA 提取中，EDTA的作用是A.
抑制DNase
B.
沉淀DNA
C.
抑制RNase
D.
去除蛋白质
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皮皮学刷刷变学霸
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A.
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B.
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A.
is
B.
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C.
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D.
would be
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A.
to hand it in
B.
hand them in
C.
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D.
hand it out
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A.
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B.
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C.
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D.
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A.
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B.
which you had told us
C.
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that you told us
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A.
to
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for
C.
of
D.
on
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A.
is
B.
was
C.
has been
D.
will be
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