Individual skeletal muscle cells are packed with cylindrical contractile elements about 1 mm in
diameter called
a. muscle fibers.
b. sarcomeres.
c. tendons.
d. ligaments.
e. myofibrils.
E
Biology & Microbiology
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Marsh periwinkles are able to survive out of the water because their ________ can absorb oxygen from the air
a. muscular foot b. mantle cavity c. radula d. operculum
Biology & Microbiology
Describe the primary membranes surrounding the human fetus
What will be an ideal response?
Biology & Microbiology
Whether one atom will bond with another depends
on the element and the number and arrangement of its a. protons. b. neutrons. c. electrons. d. neutrinos. e. pions.
Biology & Microbiology
All of the following are causative agents of conjunctivitis EXCEPT
A) Chlamydia trachomatis. B) herpes simplex. C) adenovirus. D) Neisseria gonorrhoeae. E) Haemophilus influenzae.
Biology & Microbiology