Identify the 4 organic (carbon-based) biological macromolecules. provide the building blocks (monomers) that make up these 4 macromolecules (polymers).

Chicken pox and hepatitis are bacterial diseases. true or false?

When analyzing tree rings, what do scientists assume a thin ring indicates?

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