Which of the following conditions results when the articular cartilages in a joint degenerate to the point where the bony ends of articulating bones touch?
a) osteogenic sarcoma
b) rickets
c) osteomalacia
d) osteoarthritis
e) osteopenia
d
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Proteins that are embedded within and extend across the phospholipid bilayer are called ________ proteins.
A. cytoskeleton B. catalytic C. peripheral D. integral
Clumping of foreign cells brought about by the formation of antigen-antibody complexes is known as ____________________
Fill in the blank(s) with correct word
The posterior pituitary
A. is controlled by releasing hormones produced in the hypothalamus. B. stores lipotropins. C. has a direct connection with neurons of the hypothalamus. D. is not related to fluid balance in the body. E. produces hormones that regulate other endocrine glands.
Nucleoli
A. produce ribosomal subunits. B. are important for the formation of the Golgi apparatus. C. regulate movement of materials into the nucleus. D. have a distinct membrane. E. are located in the cytoplasm.