Diseases may arise when proteins fail to fold correctly in their last stages of processing and/or are directed towards the lysosome rather than towards the cell membrane. Cystic fibrosis is an example of this type of disease. In cystic fibrosis, a functional ion channel is sent to the lysosome for destruction rather than being sent to the plasma membrane. Given this observation, the cellular component that is most likely the cause of the disease is the ________.
A)Peroxisomes
B)Golgi apparatus
C)Ribosomes
D)Lysosomes
B)Golgi apparatus
Anatomy & Physiology
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As tertiary follicles develop, FSH levels decline due to the negative feedback effects of which hormone?
A) LH B) progesterone C) GnRH D) inhibin E) estrogen
Anatomy & Physiology
Which endocrine gland is tiny, yellow-brown in color, and arranged in thick, branching cords?
A. pituitary gland B. parathyroid gland C. thyroid gland D. pineal gland
Anatomy & Physiology
What type of large, multinucleated cell destroys bone?
A) chondroblast B) osteoblast C) osteoclast D) osteocyte
Anatomy & Physiology
The medullary cavity of a long bone is lined with a thin layer of connective tissue called the
A. diaphysis. B. endosteum. C. epiphysis. D. periosteum. E. trabeculae.
Anatomy & Physiology