4、赖的细胞骨架蛋白是什么?其相关蛋白还有哪些?2. 骨骼肌细胞在光镜、电镜下的形态学特点是什么?其肌原纤维各部分对应的成分各是什么?3. 简述神经-肌接头电-化学-电的过程,并说明其中主要的离子通道与作用。4. 简述兴奋-收缩耦联的过程,并说明其中主要的离子通道与作用。四、翻译Apoptosis is the process of programmed cell death (PCD) that may occur in multicellular organisms. Biochemical events lead to characteristi优才工
5、作站真题整理汇总——细胞生物学(临床八年制版)c cell changes (morphology) and death. These changes include blebbing, cell shrinkage, nuclear fragmentation, chromatin condensation, and chromosomal DNA fragmentation.In contrast to necrosis, which is a form of traumatic cell death that results from acute
6、cellular injury, apoptosis generally confers advantages during an organism's life cycle. For example, the separation of fingers and toes in a developing human embryo occurs because cells between the digits apoptose. Unlike necrosis, apoptosis produces cell fragments called apopto
7、tic bodies that phagocytic cells are able to engulf and quickly remove before the contents of the cell can spill out onto surrounding cells and cause damage.Between 50 and 70 billion cells die each day due to apoptosis in the average human adult. For an average child between the