________ resist tensile forces and contain keratin to form the protective barrier of the skin.
A) Intermediate filaments
B) Microtubules
C) Microfilaments
D) Actin filaments
E) Keratin-associated filaments
A) Intermediate filaments
Biology & Microbiology
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In animals, the evolutionary development of cephalization is most associated with
a. bilateral symmetry. b. radial symmetry. c. ganglia. d. nerve nets. e. nerves.
Biology & Microbiology
The main producers for the human food chain are ____
a. farmers b. light c. plants d. cows e. methane
Biology & Microbiology
If there are 32 sister chromatids in a normal somatic cell, how many chromosomes are there?
A. 32 B. 64 C. 16 D. 8
Biology & Microbiology
The pentose phosphate pathway provides a means to break down glucose and
a) five-carbon sugars. b) proteins. c) lipids. d) ATP.
Biology & Microbiology