Which of the following is correct about pro-oncogene?
A: It is a normal cellular gene
B: They are normally involved in the control of the cell cycle
C: When mutated or inappropriately expressed,can cause a cell to become malignant
D: All of the above
A: It is a normal cellular gene
B: They are normally involved in the control of the cell cycle
C: When mutated or inappropriately expressed,can cause a cell to become malignant
D: All of the above
举一反三
- Normally, if a healthy cell acquires too many mutations to develop properly, the p53 gene will initiate cellular suicide. If this gene stops working, however, the cell keeps growing and can become malignant .
- Which of the following statements is right? A: RB exerts anti-proliferative effects by controlling the G1-to-S transition of the cell cycle B: RB is a key positive regulator of the cell cycle C: The TP53 was the first tumor suppressor gene to be discovered by the study of retinoblastoma D: Malignant transformation is only derived from one of the normal RB alleles inactivated
- 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
- The stages which a cell passes from one cell division to the next is called () A: cell cycle B: life cycle C: energy cycle D: regeneration<br/>cycle
- Which of the following cells can not be found in the skin? A: Merkel cell B: Kupffer cell C: Langerhans cell D: Melanocyte