Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

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#Question id: 4366

#3. Fundamental Processes

Which of the following is the correct order of addition of general transcription factors to the initiation complex?

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#Question id: 9255

#9. Diversity of Life Forms

Studying species transplants is a way that ecologists ________.

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#Question id: 8940

#9. Diversity of Life Forms

Which of the following is a correct association of an animal germ layer with the tissues or organs to which it gives rise?

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#Question id: 567

#1. Molecules and their Interaction Relevant to Biology

Penicillin and related drugs inhibit the enzyme; this enzyme is produced by 

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#Question id: 4764

#8. Inheritance Biology

Which of the following is the best example of overdominance?