What items are considered part of the nucleus structure

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

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.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna