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Definition of M onoclonal Antibod iesA.
It is based on the observation that two single-stranded nucleic acid molecules of complementary base sequence can form a double stranded hybrid.
B.
Technique whereby two different types of cells (from one organism or from different species) are joined to produce one cell with one, continuous plasma membrane .
C.
T he specimen is illuminated by a finely focused laser beam that rapidly scans across the specimen at a single depth, thus illuminating only a thin plane (or “optical section”) within the specimen .
D.
The smallest distance between two points on a specimen that can still be distinguished as two separate entities .
E.
They are made by identical immune cells from a unique parent cell .
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【简答题】老化的概念?
【简答题】老化的概念是什么？
【简答题】污染物在环境中通过物理、化学或生物的作用改变存在形态或转变为另一种物质的过程称为污染物的 。
【简答题】老化的概念请简要回答
【简答题】请简要回答老化的概念
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