In bacterial cells, the replication of dna begins at a specific site called the of replication, and proceeds in both direction around the circular dna until a specific site is reached

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2