Ans: E. Both cardiac muscle fibers and visceral smooth muscle fibers
Which of the following exhibits autorhythmicity?
A. Cardiac muscle fibers
B. Actin fibers
C. Visceral smooth muscle fibers
D. Intermediate fibers
E. Both cardiac muscle fibers and visceral smooth muscle fibers
Anatomy & Physiology
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Cristae are found in the
a. lysosome. b. mitochondrion. c. nucleolus. d. nucleus. e. rough ER.
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Which of the following structures contains oocytes?
a. Ovaries b. Uterus c. Primary follicles d. Growing follicles e. Mature vesicular (Graafian) follicle f. Corpus luteum
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Glycolysis is best defined as the breakdown of
A. glucose to carbon dioxide and water. B. glucose to two molecules of pyruvic acid. C. pyruvic acid to carbon dioxide and water. D. glycogen to glucose-6-phosphate. E. glucose to glycogen.
Anatomy & Physiology
Gastrulation produces an oval, three-layered sheet known as the
A) chorion. B) blastula. C) embryonic disc. D) morula. E) blastocyst.
Anatomy & Physiology