第二节ne possible versionThe Smoke House has had a reputation for kindness ever sinceOliver is dad. His father was the original owner and was in chargeof the Smoke House. in addition to helping travelers in needOliver's father was also involved in the community by helpingto establish a state park, a medical center and more. These oftenoffered some help to some people who were in trouble or inneed. Oliver said his father encouraged him to help others fromhis childhood. And when his father passed away, the House wasleft to Oliver, and he continued offering help to those who arein needA month later, Susan returned to the smoke House. ToOliver's surprise, Susan gave the money back to Oliver. Her motherrecovered from the illness after she looked after her patiently, andshe said she was ready to pass kindness to others. For Susan, theSmoke House is a charity in her heart. When you' ve got foodou cant turn away people who need help, she said she wouldremember what Oliver once said.

29.(除注明分值外,其它每空1分,共9分)(1)生活(2)脂质细胞质基质信息传递(3)高尔基体催化(2分)BpD(2分)【解析】(1)健那绿是专一性染线粒体的活细胞染料,因此用健那绿染液将活细胞中的线粒体染色,可在高倍显微镜下观察到生活状态的线粒体的形态和分布。(2)内质网是细胞内蛋白质合成和加工、以及脂质合成的车间;肌细胞受到刺激后,内质网腔内的Ca2+释放到细胞质基质中使内质网膜内外Ca2+浓度发生变化,Ca2+与相应蛋白质结合后,导致肌肉收缩,这表明Ca2+能起到信息传递的作用。(3)分泌蛋白需要内质网进行初步加工,还需要高尔基体进行再加工因此,在病毒侵染等多种因素的作用下,内质网腔内错误折叠或未折叠蛋白一般不会被运输到高尔基体进一步的修饰加工,而是引起下图所示系列应激过程:内质网应激蛋白(Bip)与折叠错误或未折叠蛋白结合,将其运出内质网被消化分解。内质网膜上的IRE1蛋白被激活,激活的RE蛋白催化 Hacl mRNA的剪接反应,剪接的 Hacl mRNA翻译的Hacl蛋白通过核孔进入细胞核,增强Bip基因的表达,以恢复内质网的功能。

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