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TLS Online TPP Program

#Id: 3118

A replication fork moves 10X faster than RNA polymerase. 

#Unit 3. Fundamental Processes #Replication origin and replication fork #Part B Pointers
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TLS Online TPP Program

#Id: 7776

#Unit 2. Cellular Organization

In one minute, each NPC is estimated to import 60,000 protein molecules into the nucleus, while exporting 50–250 mRNA molecules, 10–20 ribosomal subunits, & 1000 tRNAs out of the nucleus.
TLS Online TPP Program

#Id: 2485

#Unit 13. Methods in Biology

Photopolymerization is an alternative method that can be used to polymerize acrylamide gels. Ammonium persulfate and TEMED are replaced by riboflavin and when the gel is poured it is placed in front of a bright light for 2–3 h.
TLS Online TPP Program

#Id: 6393

#Unit 2. Cellular Organization

The E. coli trp operon contains the 5 genes Trp-EDCBA for the anabolic enzymes to make the tryptophan.
TLS Online TPP Program

#Id: 3025

#Unit 3. Fundamental Processes

A preformed RNA (often a tRNA) pairs with the template, allowing its 3'-0H end to be used to prime DNA synthesis.
TLS Online TPP Program

#Id: 1707

#Unit 4. Cell Communication and Cell Signaling

Mast cells are released from the bone marrow into the blood as undifferentiated cells; they mature only after they leave the blood.