Which of the following diseases is caused by a prion?
A) polio
B) Zellweger syndrome
C) Tay-Sachs disease
D) infantile Refsum disease
E) mad cow disease
E) mad cow disease
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Collagen _____
A. functions inside a cell. B. is part of a cell wall. C. must be secreted from a cell. D. forms junctions between cells. E. acts as an enzyme.
Which muscle tissue type will move and maintain balance within the body?
a. Cardiac b. Skeletal c. Skeletal and cardiac d. Smooth and cardiac e. Smooth
Down syndrome is a trisomy that involves
chromosome number
a. 3. b. 5. c. 15. d. 19. e. 21.
Adaptive radiation is best described as the
A. existence of groups of distantly related species recently evolved from a common ancestor. B. existence of groups of closely related species recently evolved from different ancestors through hybridization. C. existence of individuals of closely related species that originated in different areas within diverse habitats but that have rejoined as a single species. D. existence of groups of closely related species recently evolved from a common ancestor.