A patient with B cell leukemia donates some cancer cells for analysis. The cells do not contain the usual chromosomal translocations associated with leukemia. Instead, a sporadic mutation seems to have arisen in a certain gene, followed by loss of heterozygosity in the second copy. This gene product is most likely:

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#Question id: 3658

#Unit 3. Fundamental Processes

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.

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#Question id: 11041

#Unit 7. System Physiology – Animal

Which of the following segments of the circulatory system has the highest velocity of blood flow?

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#Question id: 10887

#Unit 10. Ecological Principles

What is a linkage density of community A and B RESPECTIVELY?

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#Question id: 11089

#Unit 7. System Physiology – Animal

A 45-year-old man inhaled as much air as possible and then expired with a maximum effort until no more air could be expired. This produced the maximum expiratory flow-volume curve shown in the following diagram. What is the forced vital capacity of this man (in liters)?

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#Question id: 31060

#Unit 4. Cell Communication and Cell Signaling

Active MAP kinase phosphorylates Raf on multiple sites, results: