Which of the Following Best Describes Sirtuins

question 128

Multiple Choice

Which of the following best describes sirtuins?

• A) They are DNA sequences that cap chromosomes and are proposed as being the key components of the stem cell regeneration process, providing a possible avenue to restrain cancer and delay aging.
• B) They are unstable oxygen molecules that ricochet around the cells, damaging DNA and other cellular structures.
• C) They are a family of proteins that have been proposed as having important influences on longevity, mitochondria functioning in energy, calorie restriction benefits, stress resistance, and cardiovascular functioning.
• D) They are tiny bodies within cells that supply essential energy for function, growth, and repair.

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