TLS Online TPP Program
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TLS Online TPP Program
#Question id: 3872
#Unit 3. Fundamental Processes
Processing of a primary mRNA transcript in a eukaryotic cell does not normally involve:
TLS Online TPP Program
#Question id: 8683
#Unit 9. Diversity of Life Forms
Use the following information to answer the question.
Refer to the figure. Which of the following forms a monophyletic group?
TLS Online TPP Program
#Question id: 32311
#Unit 2. Cellular Organization
Internalized receptor-ligand complexes commonly follow the pathway depicted for the:
TLS Online TPP Program
#Question id: 13122
#Unit 2. Cellular Organization
Choose the incorrect?
1- COPI vesicles transport proteins from the rough ER to the cis -Golgi; COPII vesicles transport proteins in the reverse s Direction.
2- The KDEL receptor binds more tightly to its ligand ar low pH, and it is thought that the receptor is able to bind KDEL peptides in the cis-Golgi but to release these peptides in the ER because the pH of the Golgi is slightly lower than that of the ER.
3- The KDEL sorting signal is recognized and bound by the KDEL receptor, a transmembrane protein found primarily on small transport vesicles shuttling between the ER and the cis -Golgi and on the cis-Golgi reticulum.
TLS Online TPP Program
#Question id: 11155
#Unit 9. Diversity of Life Forms
Nucleic acid sequences that undergo few changes over the course of evolutionary time are said to be conserved. Conserved sequences of nucleic acids