Levels of ATP and ADP are partly maintained in cells by

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#Question id: 15366

#Unit 4. Cell Communication and Cell Signaling

For pro-proliferation signaling pathways to cause uncontrolled proliferation, as is seen in cancer, this p53 up-regulation must not occur, It is therefore not surprising that p53 is inactive in most human tumors through loss of p53 function itself, down-regulation of positive regulators (PR) of p53 or up-regulation of negative regulators (NR) of p53, these regulators are accordingly

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#Question id: 11658

#Unit 10. Ecological Principles

Directional community changes due to the cause of succession, factors involve such as

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#Question id: 11994

#Unit 10. Ecological Principles

In mountainous areas of western North America, north-facing slopes would be expected to

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#Question id: 5523

#Unit 5. Developmental Biology

Ectodermal cells condense into placodes that change into

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#Question id: 10622

#Unit 10. Ecological Principles

For a species having logistic growth, if K = 4000 and r = 0.25, the maximum growth rate will be