Semiconservative replication refers to
A. an original parent DNA strand and one newly synthesized DNA strand comprising a new DNA molecule.
B. a purine always bonding to a pyrimidine.
C. each base bonding at the 1' position of the sugar.
D. one helix strand that runs from the 5' to 3' direction and the other strand that runs from the 3' to 5' direction.
Answer: A
You might also like to view...
The major structural component of bacterial cell walls is ____
a. cellulose b. chitin c. proteoglycan d. peptidoglycan e. arabinogalactan
In the figure above, which DNA fragment is the smallest?
a. A b. B c. C d. D e. E
Enzymes function best in the body at a pH of
a. 6.0?6.5. b. 7.0?7.2. c. 7.35?7.4. d. 7.5?7.55. e. 7.2?7.5.
Which of the following statements about human evolution is correct?
A) Modern humans are the only human species to have evolved on Earth. B) Human ancestors were virtually identical to extant chimpanzees. C) Human evolution has occurred within an unbranched lineage. D) The upright posture and enlarged brain of humans evolved separately.