When the function of the newly made polypeptide is to be secreted from the cell where it has been made, what must occur?
A) It must be translated by a ribosome that remains free of attachment to the ER.
B) Its signal sequence must target it to the ER, from which it goes to the Golgi.
C) It has a signal sequence that must be cleaved off before it can enter the ER.
D) It has a signal sequence that targets it to the cell's plasma membrane where it causes exocytosis.
E) Its signal sequence causes it to be encased in a vesicle as soon as it is translated.
Examples of structures in which extensive surface area is important for function.
Human embryonic stem cells stained with Tra-1-60 (green) - a stem cell marker and nestin (red), a ne
cell signaling cytoplasmic response
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Graph to Function Cosine
Photomicrographs comparing cheek epithelial cell nuclei