instruction:
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:
Question: What forms a ketone when oxidized? Answer: secondary alcohol
answer:
Secondary alcohol forms a ketone when oxidized.


question:
Question: Which proteins recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms? Answer: antibodies
answer:
Antibodies recognize and combine with harmful materials, including both toxic chemicals and invasive microorganisms.


question:
Question: What is divided during cytokinesis? Answer: cytoplasm
answer:

The cytoplasm is divided during cytokinesis.