What molecule(s) give bone its flexible characteristics ?

Does mitochondria still meet the definition of a eukaryote why or why not?

Any sound above what db can cause hearing loss in human beings

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