ORC was first found in S. cerevisiae (where it may be called scORC),but similar complexes have now been characterized in Schizosaccharomyces pombe (spORC), Drosophila (DmORC ), and Xenopus (XIORC).

TLS Online TPP Program

#Id: 2737

#Unit 13. Methods in Biology

Nuclear run-on transcription is a way of ascertaining which genes are active in a given cell by allowing transcription of these genes to continue in isolated nuclei.

TLS Online TPP Program

#Id: 5558

#Unit 7. System Physiology – Animal

The key to the action of vasopressin on the collecting ducts is aquaporin-2 & stored in vesicles in the cytoplasm of principal cells

TLS Online TPP Program

#Id: 3634

#Unit 3. Fundamental Processes

When inosine (I) is the first (wobble) nucleotide of an anticodon, three different codons can be recognized—the maximum number for any tRNA.

TLS Online TPP Program

#Id: 1837

#Unit 11. Evolution and Behavior

Cretaceous- Diversity of angiosperms and last dinosaurs extinct 

TLS Online TPP Program

#Id: 3165

#Unit 11. Evolution and Behavior

Ronald A. Fisher, John B. S. Haldane and Sewall Wright- which showed that mutation and natural selection together cause adaptive evolution.