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Why are gap junctions sealed when high concentrations of calcium ions and protons are present?
Q4: Sugars are commonly linked to which amino
Q12: What mechanism is responsible for restriction endonuclease
Q13: What molecule is used to transport
Q18: Most known enzymes are proteins; however, some
Q22: Humans do not produce energy by photosynthesis.
Q23: How does energy affect the functioning of
Q28: What is the immediate source of the
Q37: In the cell, the hydrolysis of an
Q38: What enzyme(s) is (are) responsible for
Q44: The binding of 2-3-bisphosphogycerate to hemoglobin _