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【单选题】
哪一种细胞外基质有助于神经元体外存活，并促进轴突生长（）
A.
纤连蛋白
B.
层粘连蛋白
C.
蛋白聚糖
D.
胶原蛋白
E.
弹性蛋白
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】In a purely biological sense, fear begins with the body’’s system for reacting to things that can harm us—the so-called fight-or-flight response. "An animal that can’’t detect danger can’’t stay alive...
A.
reactions of humans and animals to dangerous situations are often unpredictable
B.
memories of significant events enable people to control fear and distress
C.
people’’s unpleasant memories are derived from their feelings of fear
D.
the amygdala plays a vital part in human and animal responses to potential danger