28. The primer for in vivo DNA replication is: (A) The 3' hydroxyl of the preceding Okazaki fragment. (B) A short piece of RNA. (C) A nick made in the DNA template. (D) A primer is not always required for DNA replication. (E) All of these are true.

3. In the sodium-potassium pump (A) sodium is transported out of the cell and potassium into the cell, both against concentration gradients (B) sodium is transported into the cell and potassium out of the cell, both against concentration gradients (C) sodium is transported out of the cell and potassium into the cell, both in the same direction as concentration gradients (D) sodium and potassium are both transported out of the cell against concentration gradients

28. The primer for in vivo DNA replication is:
(A) The 3' hydroxyl of the preceding Okazaki fragment.
(B) A short piece of RNA.
(C) A nick made in the DNA template.
(D) A primer is not always required for DNA replication.
(E) All of these are true.

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