• 2021-04-14 问题

    The presence of a single mutated gene is sufficient for retinoblastoma cancer to develop.? 错误|正确

    The presence of a single mutated gene is sufficient for retinoblastoma cancer to develop.? 错误|正确

  • 2022-06-18 问题

    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

    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

  • 2022-05-30 问题

    一个人的肌肉细胞和神经细胞的形态特征、功能完全不同,但是二者却具有相同的DNA序列,这是因为 ( ) A: They actually have different DNA in the two types of cells. B: The two different cells become mutated C: The genome of the different cells changes D: The proteins expressed in each cell are different

    一个人的肌肉细胞和神经细胞的形态特征、功能完全不同,但是二者却具有相同的DNA序列,这是因为 ( ) A: They actually have different DNA in the two types of cells. B: The two different cells become mutated C: The genome of the different cells changes D: The proteins expressed in each cell are different

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