In the thick segment of the ascending loop of Henle, paracellular reabsorption of cations, such as Mg++, Ca++, Na+, and K+ occur

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#Id: 5408

#Unit 7. System Physiology – Animal

Glial cells 

Play important role in communication within the CNS in partnership with neurons & continue to undergo cell division in adulthood.Have the ability to proliferate after brain injury.

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#Id: 9058

#Unit 4. Cell Communication and Cell Signaling

Epinephrine --> Gαs-GTP-->Adenylyl cyclase-->cAMP-->PKA

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#Id: 2932

#Unit 3. Fundamental Processes

Replication in bacteria and in eukaryotes is licensed and permitted to occur only once per cell cycle.

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#Id: 6237

#Unit 8. Inheritance Biology

Multiple Alleles

Presence of more than two alleles at a locus in a group of diploid individuals

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#Id: 7062

#Unit 3. Fundamental Processes

In a phenomenon called codon bias, some codons for a particular amino acid are used more frequently (sometimes much more frequently) than others. A minimum of 32 tRNAs are required to translate all 61 codons (31 to encode the amino acids and 1 for initiation) due to wobble positioning