Hair and nails are keratin-rich structures formed by _____ tissue
a. muscle c. epithelial
b. nervous d. connective
C
You might also like to view...
Which one of the following properties of water is primarily responsible for the ability of trees to draw water up from the roots to the leaves?
A. polarity B. density C. solvent capability D. high surface tension E. pH neutrality
Most genetic variation in populations is:
A. obvious. B. beneficial. C. harmful. D. deleterious. E. neutral.
Some superficial mycoses are called ________.
A. mycetomas B. sporotrichosis C. tineas D. dermatophytoses
What defines a population in evolution?
A. Multiple species interacting together in an ecosystem B. Members of the same community C. Members of a single species that may, or may not, share a common space D. Interbreeding members of the same species that share a common space