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Most Tibetans do not compensate for the low oxygen of their environment with an increase in red blood cells; perhaps their mitochondria have evolved a less oxygen-dependent method of catabolizing sugar and producing CO₂.
Q33: When ATP breaks down into ADP and
Q38: If an offspring has a total of
Q47: The amount of DNA in a prokaryotic
Q47: The similarity in the cell-adhesion proteins seen
Q47: The completion of the physical division of
Q67: One of the major functions of the
Q69: Which statement best describes the equilibrium condition
Q81: What best summarizes the events of the
Q86: The hydrophobic portions of a membrane's phospholipid
Q88: A zygote contains 16 chromosomes. The diploid