ANATOMY & PHYSIOLOGY COMM COLL PHILADELPHIA
ANATOMY & PHYSIOLOGY COMM COLL PHILADELPHIA
16th Edition
ISBN: 9781323360989
Author: MARTINI & NATH
Publisher: PEARSON
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Chapter 21, Problem 13RFT

Which of the following is not true of intercalated discs?

(a) They provide additional strength from cells bound together by tight junctions.

(b) They have a smooth junction between the plasma membrnaes of apposed muscle cells.

(c) Myofibrils of the interlocking muscle fibers are anchored at the membrane.

(d) The cardiac muscle fibers at the intercalated discs are connected by gap junctions.

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