Which of the following descriptions about anaphase is CORRECT?()
A: The
kinetochore microtubules are shortened by de-polymerization
B: Microtubules
attach to kinetochore of chromosomes
C: The
separated chromatids move to opposite spindle poles
D: The
shape of cell is stretched during the latter part of anaphase
A: The
kinetochore microtubules are shortened by de-polymerization
B: Microtubules
attach to kinetochore of chromosomes
C: The
separated chromatids move to opposite spindle poles
D: The
shape of cell is stretched during the latter part of anaphase
举一反三
- Which<br/>of the following cell cycle descriptions is CORRECT? () A: DNA are replicated during the G2 phase. B: Interphase is when the cell spends most of its time performing its<br/>cell functions. C: The interphase consists of prophase, metaphase, anaphase, and<br/>telophase. D: Cell prepare itself for mitosis during S phase
- Which of the following does not lead to the formation of aneuploid gametes? A: Failure of homologous pairs to separate at anaphase B: A mutatation in a single gene located on chromosome 2. C: A pair of sex chromosomes that does not separate during anaphase D: A set of sister chromotids that doest not separate during anaphase I
- Telophase begins when( ). A: chromatids line up in the middle of the cell B: the nuclear envelope breaks down C: chromatin condenses D: daughter chromosomes arrive at opposite poles of the cell E: centrioles reach opposite poles of the cell
- Which of the following are incorrectly paired? ()<br/>A. A: cell: glucagon <br/> B: cell: insulin <br/> C: cell: somatostatin <br/> D: cell: gastrin <br/> E: cell: secretin
- Which<br/>of the following cell is not labile cell () A: urothelial<br/>cell B: epidermis C: Lymphohematopoietic<br/>cell D: hepatocyte E: respiratory<br/>epithelial cell