Which of the following statements is true in DNA replication?
A) DNA polymerase unwinds the DNA at replication forks.
B) Primase removes short RNA primers and replaces them with DNA.
C) Ligase breaks the hydrogen bonds between complementary DNA strands.
D) DNA polymerase proofreads DNA, correcting mismatched nucleotides.
D) DNA polymerase proofreads DNA, correcting mismatched nucleotides.
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The pancreas is located between the ____ and the ____
a. gallbladder; liver b. liver; stomach c. liver; small intestine d. stomach; small intestine e. stomach; liver
Serotonin is mostly found in the digestive tract.
a. true b. false
Hereditary information is encoded in a single, circular DNA molecule in most prokaryotes. What is another feature of the prokaryotic hereditary information?
a. The bacterial chromosomes do not have genes that control binary fission. b. Bacterial cells cannot replicate their DNA very rapidly. c. Bacterial cells do not utilize a mitotic spindle to segregate their replicated DNA. d. The DNA of the bacterial chromosome is not replicated prior to segregation.
A reaction in which the forward rate is equal to the reverse rate is said to be at ________.
Fill in the blank(s) with the appropriate word(s).