In starving cells, however, such degradation would deplete essential enzymes and regulatory proteins. Lysosomes therefore also have a selective pathway, which is activated only after a prolonged fast, that imports and degrades cytosolic proteins containing the pentapeptide  , the sequence is

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#Question id: 5270

#Unit 8. Inheritance Biology

In conjugation, transformation, or transduction, the recipient bacteria is most likely to accept donor DNA

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#Question id: 9260

#Unit 9. Diversity of Life Forms

Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?

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#Question id: 23518

#General Aptitude

Which of the following is the transition layer between stratosphere and the mesosphere?

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#Question id: 7154

#Unit 4. Cell Communication and Cell Signaling

Cancer is believed to often arise from stem cells, rather than fully differentiated cells. Which of the following are consistent with this view?

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#Question id: 4138

#Unit 3. Fundamental Processes

In bacteria the elongation stage of protein synthesis does not involve: