Which layer carries out photosynthesis in a leaf? spongy epidermis cuticle palisade

In a cladogram' when does a group of organisms branch off

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

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.