Arrange the following events in protein secretion in the proper sequence.
1. The polypeptide chain enters the lumen of the endoplasmic reticulum.
2. A secretory vesicle is formed.
3. A transport vesicle is formed.
4. The polypeptide chain enters the lumen of the Golgi complex.
A) 3, 1, 4, 2
B) 1, 3, 4, 2
C) 1, 3, 2, 4
D) 1, 2, 3, 4
E) 4, 3, 1, 2
D) 1, 2, 3, 4
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A. symphysis B. synchondrosis C. syndesmosis D. gomphosis E. synostosis
Feelings of thirstiness are brought on by
A. increases in salivary secretions and increases in blood osmolarity. B. increases in salivary secretions and decreases in blood osmolarity. C. decreases in salivary secretions and increases in blood osmolarity. D. decreases in salivary secretions and decreases in blood osmolarity.
What is the average size (in diameter) of a typical human cell?
a. about 100 micrometers b. about 10 to 20 micrometers c. about 1 micrometer d. about 10 millimeters e. about 1 millimeter
Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the
A) Endomysium. B) Perimysium. C) Sarcolemma. D) Sarcomere. E) Myofibrils