Một phân tử ADN có tổng số Nu = 2000, A = 600. Chọn đáp án đúng: A. T = 700
B. G = X = 300
C. G = X = 400
D. A = T = 500

Why would a drug that damages capsids treat a viral infection? a. capsids prevent the lytic cycle from beginning. b. transduction requires a capsid. c. viruses use capsids to increase genetic variation. d. capsids provide protection for viruses.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

(amoeba sisters video recap: pedigrees and need