How does the synthesis of proteins that are destined to be secreted differ from that of proteins destined to remain inside the cell?
A. Genes for proteins with functions inside the cell are located in the cytoplasm.
B. Only proteins destined for secretion need transfer RNA to be synthesized.
C. Proteins destined to be secreted are synthesized on free ribosomes.
D. Proteins destined to be secreted are packaged into secretory vesicles in the granular endoplasmic reticulum.
E. Proteins destined to be secreted have a signal sequence.
Answer: E
You might also like to view...
Why is Type AB blood considered the universal recipient?
A. It has no antigens on the red blood cells. B. It has neither anti-A nor anti-B antibodies in the plasma. C. It has both anti-A and anti-B antibodies in the plasma.
Which is not an effector innervated by the autonomic nervous system?
A. Cardiac muscle B. Glands C. Smooth muscle D. Skeletal muscle E. None of the choices is correct.
The aerobic phase of cellular respiration occurs in which organelle?
a. ribosome b. mitochondrion c. lysosome d. nucleus
Ear development begins during the ________ week of embryonic life.
A. 4th B. 1st C. 6th D. 2nd E. 8th