Describe the structure of most tectonic plates

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the primary function of the nervous system?

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.