Thin descending and thin ascending segments, have thin epithelial membranes with no brush borders, few mitochondria, & minimal levels of metabolic activity.

TLS Online TPP Program

#Id: 7049

#Unit 11. Evolution and Behavior

He proposed that the embryonic development of an individual organism (its ontogeny) followed the same path as the evolutionary history of its species (its phylogeny).

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#Id: 10130

#Unit 6. System Physiology – Plant

PIN and ABCB transport proteins direct the auxin efflux component of polar auxin transport throughout the plant

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#Id: 7373

#Unit 5. Developmental Biology

At the same time, the protein products of the gap, pair-rule, and segment polarity genes interact to regulate another class of genes, the homeotic selector genes, whose transcription determines the developmental fate of each segment

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#Id: 1478

#Unit 4. Cell Communication and Cell Signaling

Loss of SWI/SNF function, just like loss of Rb function, can lead to overgrowth and cancer.

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#Id: 1990

#Unit 3. Fundamental Processes

The sequence AAUAAA (hexamer) is a signal for cleavage to generate a 3’ end of mRNA that is polyadenylated.