Inserting a kanamycin resistance cassette into a catabolic operon to confirm the gene is essential in degradation of a particular compound would involve all of the following EXCEPT
A) a reporter gene.
B) ligation.
C) recombination.
D) transformation.
Answer: A
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Lichens of the supralittoral fringe are compound associations between:
a. algae and bacteria. b. fungi and bacteria. c. bacteria and cyanobacteria. d. fungi and algae. e. algae and cyanobacteria
Which of the following statements is NOT
true?
a. In asexual reproduction, the parent passes a complete set of genes to its offspring. b. In sexual reproduction, both meiosis and fertilization are usual events in the life cycle. c. In sexual reproduction, a human offspring receives two genes for every trait. d. Sexual reproduction puts together new combinations of genes. e. Sexual reproduction results in less variation within a population
Which element is considered a micronutrient needed by plants?
a. carbon b. hydrogen c. nitrogen d. magnesium e. zinc
Chargaff's rule states that:
A: DNA has equal amounts of C and G. B: RNA has equal amounts of C and G. C: all organisms have the same percentage of C + G bases in their DNA. D: DNA has equal amounts of C and T. E: in DNA, the total amount of C + G = the total amount of A + T.