The answer will be Phosphate groups, adenosine purine base.
The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable.
ribosomal rna i’m pretty sure
Answer:
A system is a group of interacting or interrelated entities that form a unified whole. A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and expressed in its functioning. Systems are the subjects of study of systems theory.
Explanation: