Answer:Adenine and guanine are purine bases found in both DNA and RNA. ... What is the nitrogenous base displayed in the computer model? ... Click the button below to examine the structure of a nucleotide triphosphate.
Explanation:
Earths lower atmosphere cools
Pattern formation in plant embryos involves several morphogenetic steps, during which cell type specification, asymmetric cell division, and cell–cell communication play critical roles.
