Multiple Choice
Free radicals cause aging because
A) they collect in the organs and skin, forming large molecules that interfere with organ function.
B) they donate electrons to molecules that are nearby, like DNA and proteins, causing damage to the molecule.
C) free radicals combine together and attack DNA.
D) free radicals combine with oxygen, reducing the functionality of the mitochondria.
E) they speed up metabolic processes, causing the organs to wear out faster.
Correct Answer:
Verified
Correct Answer:
Verified
Q47: Morphogenesis is<br>A) the total life cycle of
Q48: A failure of the cells in the
Q49: Which of the following is an advantage
Q50: The sex of the fetus can be
Q51: Which statement is true about homeotic genes?<br>A)
Q53: The statement "a child is more closely
Q54: Genes that determine how segments develop during
Q55: In order to provide for easier birth,
Q56: Which of the following is true about
Q57: Which of the following structures provides nourishment