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.

Question

Quizplus · Accepted Answer

Sirtuins are a family of proteins that have been proposed to play important roles in various cellular processes, including longevity, energy metabolism, stress resistance, and cardiovascular functioning. They are involved in regulating gene expression, particularly in response to changes in nutrient availability.

Which of the Following Best Describes Sirtuins