Which ethical dilemma may arise from the application of pharmagogenomics?
a. The use of embryonic stem cells for gene therapy.
b. The discovery of a gene that predicts an unfavorable drug response in an individual, for whom there are no
alternative treatments available.
c. The use of vaccination to prevent diseases.
d. The use of blood transfusions to treat diseases.
e. The introduction of foreign genes to restore loss of vital gene function in a patient with an infectious disease.
ANSWER: b
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Which of the following is a major distinction between a transposon and a retrotransposon?
a) A retrotransposon always uses the copy-paste mechanism, while a transposon uses cut and paste mechanism. b) A transposon is related to a virus and a retrotransposon is not. c) A transposon moves via a DNA intermediate and a retrotransposon via an RNA intermediate. d) A transposon always leaves a copy of itself at its original position and a retrotransposon does not. e) The positioning of a transposon copy is transient while that of a retrotransposon is permanent.
Which one of the following ions outside the neuron would make it very difficult for a depolarization to occur?
A) chloride B) potassium C) sodium D) manganese
The modified amino acid f-Met is essential for
A. bacterial translation. B. bacterial transcription. C. eukaryotic transcription. D. eukaryotic translation. E. eukaryotic mRNA processing.
Taxonomy is based on putting organisms into monophyletic groups. Which kingdom contains organisms that should be split into several kingdoms?
a. protista b. plantae c. fungi d. animalia