Nurturing Life Sciences
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#Id: 5306
#Unit 7. System Physiology – Animal
Fourth heart sound (S4)
Not audible in normal adults
Heard in ventricular hypertrophy, where ventricular compliance is decreased
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#Unit 3. Fundamental Processes
#Id: 4009
#Unit 2. Cellular Organization
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#Unit 4. Cell Communication and Cell Signaling
RPE65 is the enzyme in the pigment epithelial cells of the retina that catalyzes the isomerization of the intermediate esterified all-trans retinol to 11-cis-retinol.
#Id: 2393
The SL RNA provides an exon that is connected to the first exon of an mRNA by trans-splicing. The reaction involves the same interactions as nuclear cis splicing but generates a Y-shaped RNA instead of a lariat.
