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Q26: Sodium (Na), atomic number 11, has a
Q26: Which characteristic sets hominins apart from other
Q33: Mitochondria contain their own DNA, separate from
Q40: The insects in the photograph are demonstrating
Q42: Which of the following is the correct
Q43: Based on the tree of life, which
Q49: Lampreys are endothermic.
Q52: About 530 million years ago, what adaptation
Q76: Describe how the mitochondrion evolved as an
Q94: Short, circular strands of RNA that can