Skeletal muscle fibers are composed of ____

a. cells
b. nuclei
c. myofibrils
d. epithelial tissue
e. bursa


ANSWER: c

Biology & Microbiology

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Bones, joints, and muscles form part of which organ system(s)?

a. skeletal b. muscular c. integumentary d. both skeletal and muscular

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If the DNA triplets are ATG-CGT, the mRNA

codons are a. AUG-CGU. b. ATG-CGT. c. UAC-GCA. d. UAG-CGU. e. all of these.

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Suppose a plant had a photosynthetic pigment that absorbed far-red wavelengths of light. In which of the following environments could that plant thrive?

A) on the surface of a lake B) on the forest floor, beneath a canopy of taller plants C) on the ocean floor, in very deep waters D) on mountaintops, closer to the Sun

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A(n) (nonpolar/polar/ionic/hydrogen) bond is one in which electrons are shared equally between atoms

What will be an ideal response?

Biology & Microbiology