题目内容
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提问人:网友wbluesnow
发布时间:2022-01-07
[主观题]
To study past human migrations in Europe, (the name of a specific cell organelle) DNA is widely used.
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A、The biopsy was taken from the lower end of the tibi
B、Red bone marrow specimens can be obtained from the sternum orthe iliac crests
C、At birth, the marrow of all bones of the body is red and hematopoietic
D、The blood-forming activity of bone marrow in many long bones gradually lessens with age, and the red marrow is gradually replaced by yellow marrow
A、DNA replication
B、denaturation
C、blotting
D、DNA sequencing
A、Reusing
B、Land filling
C、Combustion energy generation
D、--
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