Transepithelial Voltage 

Cl− diffusion establishes a Cl− diffusion potential, making the lumen positive with respect to blood.

TLS Online TPP Program

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#Unit 3. Fundamental Processes

The ribosome coordinates the correct recognition of the mRNA by each tRNA and catalyzes peptide-bond formation between the growing polypeptide chain and the amino acid attached to the selected tRNA.

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#Unit 11. Evolution and Behavior

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#Unit 7. System Physiology – Animal

“Loop” Diuretics are:

Furosemide

Ethacrynic acid

Bumetanide 

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#Unit 4. Cell Communication and Cell Signaling

RIII, also called β-glycan, is a cell-surface proteoglycan.

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#Unit 11. Evolution and Behavior

A third way that gene duplicates arise is by retrotransposition.

Here the messenger RNA from a gene is reverse-transcribed to DNA, which is then integrated into the genome.