What two molecules participate in cross-bridge interactions?
a. tropomyosin and myosin
b. troponin and myosin
c. troponin and tropomyosin
d. actin and myoblasts
e. actin and myosin
e
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Which of the following is an inhalation followed by many short convulsive exhalations during which the rima glottidis remains open and the vocal folds vibrate, accompanied by characteristic facial expressions?
a) sneezing b) yawning c) hiccupping d) laughing e) Valsalva maneuver
Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products
Indicate whether this statement is true or false.
Which of the following is a sympathetic reflex?
A) defecation B) swallowing C) coughing D) pupillary reflex E) urination
Which are characteristic of leukocytes? a: Smaller than erythrocytesb: Have a nucleusc: Have no hemoglobind: More numerous than erythrocytese: Depending on type, may or may not contain granules
A. b, c, d, e B. a, b, e C. b, c, e D. a, b, c, d E. a, b, c, d, e