PLZ HEL How does the structure of a protein compare to the structure of a nucleic acid? Proteins are composed of repeating units, while nucleic acids are composed of non-repeating units.
Proteins and nucleic acids both have an R group which give them unique characteristics.
They are both composed of repeating units called monomers.
Proteins are composed of ring like structures while nucleic acids are branching.

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.