Name
Chapter 10 Questions
1. Muscle contraction depends on which
A. Myofilaments
muscle component
2. The functional unit of muscle
B. Actin
contraction
3. A voluntary muscle
C. Aponeuorsis
4. A non-voluntary singe celled muscle
D. ATP hydrolysis
5. The most external sheath surrounding a
E. calsequestrin
muscle
6. The innermost sheath surrounding a
F. Endomysium
muscle fiber
7. The sheath surrounding the fascicles
G. Epimysium
8. The fascicle contains which muscle
H. Insertion
components
9. The point at which a muscle attached
I. Muscle fibers
to the movable bone is called the
10.
The point of muscle attachment to
J. Myoglobin
the nonmovable bone portion is the
11.
Indirect muscle attachments
K. Myosin
involve a ropelike tendon called
12.
The plasma membrane of a muscle
L. Origin
13.
The cytosol of a muscle cell
M. Perimysium
14.
The pigment that stores oxygen in
N. Sarcolemma
cell
muscle cells
15.
The I band is comprised of which
O. Sarcomere
protein
16.
The A band is comprised of which
P. Sarcoplasm
protein
17.
The distance from z-disc to z-
disc represents
18.
The elastic filament is comprised
Q. Sarcoplasmic
reticulum
R. Skeletal
of which protein
19.
Identify the structure that
S. Smooth
stores calcium in muscle
20.
The transverse tubule and the
T. Titin
Name
terminal cisternae comprise
21.
The chemical that carries oxygen
U. Triad
in muscle tissue
22.
The first event in the
contraction cycle
23.
To which molecule does Ca++ bind
to on the actin myofilament
24.
What molecule holds Tropomyosin
in position
25.
Identify the calcium binding
protein
V. Troponin