A steroid is what kind of biomolecule?

A.)Carbohydrates

B.)Lipids

C.)Proteins

D.)Nucleic Acids

The cluster of developing cells from conception until birth is called an

How does the carbon cycle involve an exchange of carbon

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