微体(microbody)
参考答案:
一种由单层膜包裹、与溶酶体相似的球状细胞器。真核微生物的微体主要含一至几种氧化酶类,这类微体又称过氧化物酶体。
My brother _____ writing the report after breakfast and handed it in at noon.[ ]
A. set off
B. set down
C. set out
D. set about
为了防止尿样的腐败,通常1L尿液中加入氯仿()
A.<1ml
B.1~2ml
C.2~3ml
D.3~4ml
E.4~5ml