The sliding filament model of contraction involves ________
A) actin and myosin lengthening in order to slide past each other
B) the Z discs sliding over the myofilaments
C) actin and myosin sliding past each other and partially overlapping
D) the shortening of thick filaments so that thin filaments slide past
C
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Which of the following tissues regenerates well?
A) Bone B) Cardiac muscle C) Nervous Tissue D) Smooth Muscle
The muscle(s) that form(s) a partition between the thoracic and abdominal cavities is/are the
A. scalenes. B. diaphragm. C. transversus thoracis. D. interspinales. E. internal intercostal.
The integument is separated from the deep fascia around the other organs by (the)
A) dermis. B) epidermis. C) cutaneous membrane. D) hypodermis. E) None of the answers are correct.
Cells undergo division when which of the following conditions have been met?
A) They are still growing and have ample nutrients B) They are stimulated by growth factors and neighboring cells are squeezed tightly against them C) They have grown large enough and replicated their DNA D) They have grown large enough and neighboring cells are squeezed tightly against them