Câu nào sau đây là đúng: A. Khi enzim ARNpôlimeraza gặp tín hiệu kết thúc thì dừng phiên mã.
B. Chiều tổng hợp ARN là 3'→5'.
C. Gen phiên mã xong 1 phân tử mARN thì mới đóng xoắn lại.
D. Ở tế bào nhân sơ, mARN sau phiên mã phải được sửa đổi, cắt bỏ các intron, nối các êxôn lại

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.