Final Exam Sacomere / Nervous System Flashcards
1.
_____is used to form the thin myofilament of a sarcomere
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
Actin
- ______is used to form the thick myofilament of a sarcomere
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
Myosin
- _______ is a regulatory protein that covers the myosin-binding sites on actin
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
Tropomyosin
4.
_______is regulatory protein that holds tropomyosin in place and changes its shape when the ion calcium (Ca 2 +) is released by the sarcoplasmic
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
Troponin
6.
The ___ is a thick line of proteins in the middle of the sacomere
(Thick myofilaments attached here)
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
M-Line
5.
On either side of the Sacomere are Zig-Zagging structures called
_______
(Thin myofilaments attached here)
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
Z-Disc
7.
The ____ is the space in the sarcomere where ONLY THIN myofilaments are presents
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
I-Band
8.
The ____ which is the space in the sarcomere where ONLY THICK myofilaments are presents
Sacomere
actin
myocin
tropomyocin
troponin
Z-Disc
M-line
Z-disc
H-zone
A-band
I-band
H- ZONE
9.
The name of a muscle cell
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Muscle fiber
10.
The plasma membrane of a muscle
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Sarcolemma
11.
The structure that attaches muscle to bone & composed of dense regular connective tissue
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendon
Tendon
SURROUNDS EACH MUSCLE CELL
- The sheet of connective tissue that surrounds each muscle cell
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Endomysium
13.
Group of muscle fibers
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Fascicles
14.
The layer of connective tissue that surrounds the entire muscle
Endomysium
fascicles
muscle fiber
myofibrils
Epimysium
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Epimysium
15.
The smooth endoplasmic reticulum that stores calcium in a resting muscle cell
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Sarcoplasmic Recticulum
16.
The groups of contactile myofilaments inside a muscle cell
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
Myofibrils
17.
The parts of the sarcolemma that fold into the muscle & allow membrane potential to reach all myofibrils inside the cell
Endomysium
fascicles
muscle fiber
myofibrils
sarcolemma
sarcoplasmic reticulum
T-tubules
tendons
T- tubles
Image
Sarcomere with Z disc
In a Saccomere
A- Bands = darker thick myofilaments
I- Bands = light
Image
Inside hollow internal organs and assist with movement of substances like food, urine, or blood
Smooth Muscle
cardiac muscle
skeletal muscle
Smooth Muscle ( non voluntary)
Image
In the wall of the heart and pumps blood to rest of body
Cardiac
Smooth
Skeletal
Cardiac Muscle (non voluntary movement)
Image
Assist with movement, posture & heat protection
Smooth
Skeletal
Cardiac
Skeletal (voluntary movement)