7. There are three main types of rocks. Which of the following is not one of the three?
igneous, which are formed by volcanoes when the volcano erupts
sedimentary, which are formed in layers over a period of time, often under a body of
water.
geomolten, which are volcanic in origin
metamorphic rocks, which are created by heat and pressure.

Explain why the plants cortex would serve as the best food source for animals

How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.