Scientists recommend a diet rich in antioxidants to stay healthy. What occurs at the atomic level to explain this recommendation?
A) Antioxidants prevent free radicals from attacking other atoms or molecules.
B) Antioxidants are inert and do not interact with free radicals.
C) Antioxidants steal electrons, which gives cells extra energy.
D) Antioxidants cause an increase in pH, which is necessary for neutrality in cells.
Correct Answer:
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Q10: Imagine that you have been hired as
Q11: An atomʹs nucleus is composed of
A) protons
Q12: For an atom to achieve maximum stability
Q13: The atomic number of an atom is
Q14: Free radicals are considered dangerous because they
A)
Q16: Free radicals contain unpaired electrons in their
Q17: Radioactive isotopes are biological tools that are
Q18: Carbon-14 is often used for carbon dating,
Q19: Atoms or molecules that have gained or
Q20: The formation of ions involves the
A) sharing
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