What do proteins, polysaccharides and nucleic acids have in common? a. none of them are polymersb. they all contain nitrogenc. they are all polymersd. none of them contain phosphorous

How was the climate when the ambulocetus was alive

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

According to the cladogram, which organisms have roundworms as a common ancestor?