DNA replication of a single DNA molecule is referred to as semiconservative because
a. it results in two nonidentical DNA molecules.
b. one DNA strand is replicated continuously, while the other must be replicated discontinuously.
c. of the two DNA molecules, one is made up totally of parental DNA, while the other is entirely newly synthesized DNA.
d. all the DNA strands in the two DNA molecules will have both parental and newly synthesized DNA.
e. each of the two DNA molecules will consist of one parental strand and one newly synthesized strand.
E
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The organic non-protein components that aid in enzyme functioning are called
A. reactants. B. cofactors. C. coenzymes. D. substrates. E. products.
While in South America, you come across what you think are two groups of birds in the same location. They are nearly identical aside from their color
After years of observation, you conclude that the birds eat similar diets and share similar behaviors but do not reproduce with each other. These groups of birds appear to be an example of A. a single biological species. B. a single ecological species. C. a ring species. D. two different species on the basis of the ecological niche occupied. E. two different species on the basis of reproductive behavior.
An anticodon of sequence 5? GUA 3? will recognize the codon sequence
A) 5? GTA 3?. B) 5? UAU 3?. C) 5? CAU 3?. D) 5? AUG 3?. E) None of the codon sequences are correct.
This graph shows both human birth weight and
newborn infant mortality. The most common birth weight is between seven and eight pounds. Human birth weight seems to be an example of a. directional selection. b. stabilizing selection. c. sexual selection. d. disruptive selection. e. artificial selection