Which statement about DNA replication is FALSE?
A)DNA ligase adds nucleotides to the lagging strand.
B)The two strands of original or parental DNA are separated during DNA replication.
C)DNA polymerase III builds a new strand by adding DNA nucleotides one at a time.
D)Because the two strands of original or parental DNA run in opposite directions, the new strands must be made in different ways.
E)The lagging strand is made of a series of fragments that must be joined together to make a continuous strand.
A)DNA ligase adds nucleotides to the lagging strand.
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When adenylyl cyclase is activated,
A) cAMP is formed. B) protein kinases are metabolized. C) calcium ions are released from intracellular stores. D) steroids are produced. E) cAMP is broken down.
The rods of the retina ________
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Each of the following will cause an increase in blood pressure except
A) increased levels of aldosterone. B) increased levels of angiotensin II. C) increased blood volume. D) increased levels of ANP (atrial natriuretic peptide). E) increased levels of ADH (antidiuretic hormone).