促进HeLa细胞早熟染色体形成的MPF可以解释为：
A: mitosis-promoting factor
B: metaphase-promoting factor
C: M-phase-promoting factor
D: meiosis-promoting factor
A: mitosis-promoting factor
B: metaphase-promoting factor
C: M-phase-promoting factor
D: meiosis-promoting factor
举一反三
- 成熟促进因子(mature promoting factor，MPF)是由什么组成？ A: CDK2和cyclin B B: CDK2和cyclin A C: CDC2和cyclin B D: CDC2和cyclin A
- 在G 2 期合成的成熟促进因子(Maturation Promoting Factor, MPF),它能使( )。 A: 染色体变成染色质 B: 使DNA螺旋 C: 使染色质凝集 D: 使细胞质分裂 E: 以上都不是
- Let all the dedicated capable staff( ). A: be promoted B: promoted C: be promoting D: promoting
- In<br/>the previous question, by what factor doesthe<br/>pressure of the gas changes?() A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3
- In<br/>the previous question, by what factor doesthe<br/>rate of collisions of molecules with walls, () A: a<br/>factor of 9, B: a<br/>factor of 3, C: a<br/>factor of √3, D: a<br/>factor of 1, E: a<br/>factor of 1/3