In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: Knees and elbows are examples of what part of the skeletal system? Answer: joints
Knees and elbows are examples of the joints of the skeletal system.

Question: Urea and carbon dioxide are molecules with how many carbon atoms? Answer: one
Urea and carbon dioxide are molecules with one many carbon atoms.

Question: Gene expression and what else are usually considered the same molecular process? Answer: protein synthesis

Gene expression and protein synthesis are usually considered the same molecular process.