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dangnhungoc09092007
2 năm trước
Câu 14: Một gen dài 0,408micromet, gen nhân đôi 3 lần và mỗi gen con tạo ra phiên mã 2 lần. Số phân tử mARN được tổng hợp và số đơn phân có chứa trong các phân tử mARN được tạo ra là bao nhiêu? A. 8 phân tử và 9600 ribônuclêôtit B. 6 phân tử và 7200 ribônuclêôtit C. 12 phân tử và 14400 ribônuclêôtit D. 16 phân tử và 19200 ribônuclêôtit
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