Regulatory proteins are degraded outside of lysosomes by binding to ________ and then broken down by the proteasome.
A. lysosomes
B. ribosomes
C. chaperones
D. ubiquitin
Answer: D
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The clavicle articulates with the
A) coracoid process and the humerus. B) glenoid cavity and scapular spine. C) coracoid process and acromion. D) manubrium and xiphoid process. E) manubrium and acromion.
The left and right coronary arteries
A. are interconnected with several high-volume anastomoses allowing for well perfused alternate blood paths. B. are functional end arteries because the blockage of one of them leads to tissue death in the area it supplies.
Dural venous sinuses are areas where
A. glial cells are formed. B. large numbers of nuclei congregate. C. cerebrospinal fluid is stored. D. the meningeal and periosteal layers separate to form large blood-filled spaces. E. cerebrospinal fluid is produced.
________ exists when the immune system does not respond to a particular antigen
A) Versatility B) Tolerance C) Specificity D) Allergy E) Hypersensitivity