Cystic fibrosis is a genetic disorder that results in mucus build-up in the lungs and subsequent breathing difficulties;
therefore, ____________________ cells would be the target for somatic gene therapy to cure this condition. Fill in the blank(s) with the appropriate word(s).
lung
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What might happen if the insulator between two genes is missing?
A. Without the insulator, neither gene can be transcribed. B. Transcription factors influencing one gene's expression may abnormally influence a neighboring gene's expression C. Transcription factors will not be able to influence the expression of either gene. D. Without insulation, both genes will be expressed at maximal levels. E. Transcription factors will not be able to bind to the insulator.
The evolution of binary fusion solved the mechanical problems associated with distributing long DNA molecules
without breakage.
a. True b. False
tRNA molecules are composed of
a. DNA. b. nucleotides. c. amino acids d. polypeptides. e. lipids.
Whenever a species of an organism has been introduced into an area that contains a variety of unfilled niches, a variety of ecological opportunities are available and the descendants of this species evolve in a variety of ways. These variations permit the organisms to take advantage of these ecological opportunities. This illustrates
A. the inheritance of characteristics that the individual developed as a response to the forces of the environment. B. convergence. C. polyploidy. D. adaptive radiation.