Quiz-muscle - c. It contains intercalated discs d. It has...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz – Muscle In skeletal muscle fibers, which one of the following would have ATPase activity? a. Actin filaments b. Myosin filaments c. Troponin I d. Troponin-C e. Tropomyosin Which one of the following DOES occur in skeletal muscle contraction? a. The SR releases calcium ions b. Calcium ions bind to tropomyosin c. Calcium ions bind to calmodulin d. The Z-line shortens e. Myosin lengthens Which one of the following statements BEST characterizes cardiac muscle? a. It lacks striations b. It is comprised of long straight fibers
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: c. It contains intercalated discs d. It has myoneural junctions e. The fibers are multi-nucleated All of the following are true concerning this tissue, EXCEPT one. a. Contains myosin b. Contains Actin c. Contains sarcoplasmic reticulum d. Contains T-tubules e. Contains calmodulin The usual signaling agent at the neuromuscular junction is which one of the following? a. Dopamine b. Acetylcholine c. Neurophysin d. Serotonin e. Dynein...
View Full Document

This note was uploaded on 12/25/2010 for the course NEUROBIOLO MSI taught by Professor Rogerj.bick during the Spring '10 term at University of Texas Health Science Center at San Antonio.

Page1 / 2

Quiz-muscle - c. It contains intercalated discs d. It has...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online