【单选题】微血管病性溶血性贫血的主要发生机制是
C.
纤维蛋白丝在微血管腔内形成细网,使红细胞破坏
【单选题】The echinoderms are the first group of animals covered that are( ).
【简答题】a group of plants or animals that are of the same kind;s
【单选题】有丝分裂过程中,姐妹染色单体着丝粒的分开发生在()
【单选题】The reasons why a group of cloned animals all die of the same illness do NOT include ____.
A.
they have the same arrangement of genes
B.
there isn’t enough diversity in the group for it to overcome illnesses
C.
the illness is a new one
D.
their arrangement of genes can not resist that new disease