Nurturing Life Sciences
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#Unit 4. Cell Communication and Cell Signaling
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#Unit 6. System Physiology – Plant
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#Unit 11. Evolution and Behavior
Dollo’s law: A biological generalization positing that complex characters, once lost in evolution, are extremely unlikely to reappear and thus the loss of complex characters is virtually always irreversible.
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#Unit 3. Fundamental Processes
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.