Most proteins destined to enter the endoplasmic reticulum_________
(a) are transported across the membrane after their synthesis is complete.
(b) are synthesized on free ribosomes in the cytosol.
(c) begin to cross the membrane while still being synthesized.
(d) remain within the endoplasmic reticulum.
(c) Proteins destined to enter the endoplasmic reticulum have an N-terminal signal sequence that leads to the docking of the ribosome synthesizing the protein onto the ER and the entry of the protein across the ER membrane as the polypeptide chain is being synthesized.
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Which chemical, produced by S. aureus, digests blood clots?
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