The fibrous tunic of the eye is composed of two parts. What are they?
A. The cornea and the sclera
B. The conjunctiva and the cornea
C. The conjunctiva and the sclera
D. The sclera and the retina
E. The sclera and the uvea
A
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Smaller birds tend to lay smaller eggs with a smaller yolk supply than larger birds. This would be recognized as an example of
a. down regulation. b. a preadaptation. c. genetic fitness. d. a cost-benefit trade off. e. intrinsic control.
The rubbery matrix of cartilage is secreted by ________, whereas ________ produce the fibers and ground substance that form the matrix of fibrous connective tissue
A) mast cells; fibroblasts B) adipocytes; plasma cells C) osteocytes; chondroblasts D) chondroblasts; plasma cells E) chondroblasts; fibroblasts
Which of the following is not attributable to components of the complement system?
a. formation of a membrane-attack complex b. walling-off of the inflamed area c. serving as chemotaxins d. acting as opsonins e. enhancing local vascular changes
The number of functional gametes produced by one mature egg follicle is
a. 1 b. 2 c. 4 d. 8