TASK DEFINITION: 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.
PROBLEM: Question: During which phase does dna replication occur in the cell cycle? Answer: synthesis

SOLUTION: During the synthesis phase in the cell cycle, dna replication occurs.

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

SOLUTION: Urea and carbon dioxide are molecules with one many carbon atoms.

PROBLEM: Question: Which type of joints do not allow any movement of the bones? Answer: fixed

SOLUTION:
Fixed joints do not allow any movement of the bones.