Which of the following is true of the trafficking of proteins from the cytosol to the endoplasmic reticulum?
A. The proteins are first completely synthesized in the cytosol.
B. The signal recognition particle (SRP) does not enter the ER lumen.
C. The polypeptide signal sequence is cleaved by the peptide translocation complex.
D. The SRP receptor faces the ER lumen side of the ER membrane.
B
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Organelles that breakdown hydrogen peroxide into water and oxygen are:
A. peroxisomes. B. plastids. C. lysosomes. D. liposomes. E. vacuoles.
The ecological diversity of microbes is largely dependent on their complex morphological and structural diversity
Indicate whether the statement is true or false.
Which extraembryonic membrane accumulates fetal urine?
A) chorion B) yolk sac C) allantois D) amnion
Although __________ anthrax is the most deadly, __________ anthrax is the only form that is communicable.
A) cutaneous, inhalation B) gastrointestinal, pulmonary C) cutaneous, gastrointestinal D) pulmonary, cutaneous