Which of the following become connected by myosin cross-bridges during muscle contraction?
A) thin filaments and thick filaments
B) thick filaments and titin filaments
C) z disks and actin filaments
D) thick filaments and t-tubules
E) thin filaments and t-tubules
A
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In the the "rule of nines," the perineum accounts for ________ percent of the body surface area.
A. 18 B. 9 C. 4.5 D. 1
The primary physiological effect(s) of thyroid hormones is/are ____________________.
to increase appetite to increase the metabolic rate to increase muscle mass to decrease oxygen comsumption All of the choices are correct
All of the following are adjectives that describe smooth muscle EXCEPT ________
A) nonstriated B) multinucleate C) spindle-shaped D) involuntary
Which of the following constitutes a long chain of simple sugars?
A) proteins B) monosaccharides C) polysaccharides D) nucleic acids