Question

1. radioactive isotopes are commonly referred to as “biological spies.” briefly explain why this is an accurate description. your explanation should include two specific examples of radioactive isotopes being used as “spies.”

Explanation:

Radioactive isotopes can be traced in biological systems as they emit radiation. They can show the path of substances in metabolic processes or the location of molecules in cells. For example, carbon - 14 is used in photosynthesis studies to track the carbon pathway as plants take in carbon dioxide and convert it into organic compounds. Phosphorus - 32 can be used to study the uptake and movement of phosphorus in plants or in the human body, as it is incorporated into molecules like DNA and ATP.

Answer:

Radioactive isotopes are called "biological spies" because they can be traced in biological systems. Examples: carbon - 14 in photosynthesis studies, phosphorus - 32 for studying phosphorus uptake and movement.