Skeletal muscle appears striped because of the
A) way the sarcoplasmic reticulum wraps around the myofibril.
B) arrangement of thick and thin filaments.
C) accessory proteins in thin filaments.
D) orientation of T tubules.
E) arrangement of ions across the sarcoplasmic reticulum membrane.
B
You might also like to view...
Pertussis (whooping cough), an epidemic disease, is a highly contagious, acute infection of the upper respiratory tract caused by the _________ species
a. Brucella b. Bordetella c. Pasteurella d. Francisella
Nucleic acid contains
a. sulfur. b. nitrogen. c. potassium. d. iron. e. manganese.
Which organelle is the primary site of ATP synthesis in eukaryotic cells?
A) lysosome B) mitochondrion C) Golgi apparatus D) peroxisome
The two erythrocyte proteins, glycophorin and band 3, are examples of
a. peripheral proteins. b. transmembrane proteins. c. cytoskeletal proteins. d. ?-barrel proteins.