6.ATP合成的位置是在線粒體的

A.外膜                                                             B.內(nèi)膜

C.膜間隙                                                         D.基質(zhì)

7.對(duì)真核細(xì)胞而言，下列哪個(gè)過(guò)程通常不在細(xì)胞質(zhì)基質(zhì)中進(jìn)行？

A.三羧酸循環(huán)                                                  B.糖酵解

C.磷酸戊糖支路                                               D.糖醛酸途徑

8.NO導(dǎo)致的血管平滑肌舒張屬于哪種信號(hào)轉(zhuǎn)導(dǎo)過(guò)程？

A.胞外受體，親水信號(hào)分子                             B.胞內(nèi)受體，親脂信號(hào)分子

C.胞外受體，親脂信號(hào)分子                             D.胞內(nèi)受體，親水信號(hào)分子

9.每個(gè)中心粒中含有

A.9組三聯(lián)體微管                                            B.13組二聯(lián)體微管

C.9組二聯(lián)體微管                                            D.13組三聯(lián)體微管

10.核孔復(fù)合體中，結(jié)構(gòu)性跨膜蛋白質(zhì)是

A.gp210                                                           B.p62

C.p58                                                               D.p45

11.蛋白質(zhì)合成的起始是核糖體小亞基上哪個(gè)位點(diǎn)的結(jié)合？

A.肽酰轉(zhuǎn)移酶位點(diǎn)                                           B.肽鏈出口位點(diǎn)

C.P位點(diǎn)                                                          D.mRNA位點(diǎn)

12.細(xì)胞周期中，新的組蛋白合成發(fā)生在

A.G1期                                                           B.S期

C.G2期                                                           D.M期

13.正常動(dòng)物細(xì)胞為了維持細(xì)胞內(nèi)環(huán)境，而降解不需要的細(xì)胞結(jié)構(gòu)的過(guò)程稱(chēng)為

A.凋亡                                                             B.程序性死亡

C.自噬                                                             D.壞死

14.某些蝸牛發(fā)育時(shí)候的性別取決于個(gè)體間的相互位置關(guān)系，這一現(xiàn)象在細(xì)胞分化中稱(chēng)為

A.細(xì)胞記憶決定                                               B.胞外信號(hào)分子影響

C.環(huán)境對(duì)于性別決定影響                                 D.細(xì)胞間的位置效應(yīng)

15.下列哪種屬于可興奮細(xì)胞間的連接方式？

A.化學(xué)突觸                                                      B.胞間連絲

C.緊密連接                                                      D.黏合斑