WorksheetsSarcomere
Total questions: 18
Worksheet time: 10mins
Name
Class
Date
1.
A sarcomere is
a)
A protein filament or fiber
b)
The basic contractile unit of muscle contraction
c)
An organelle
d)
An organ
2.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
3.
The part of the sarcomere that B (Orange) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
4.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
5.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
6.
What zone/band of the sarcomere is represented by yellow.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
7.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
8.
What zone/band of the sarcomere is represented by light brown.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
9.
What state is the sarcomere in #1
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
10.
What state is the sarcomere in #2
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
11.
What state is the sarcomere in #3
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
12.
What happens to the H zone during a sarcomere contraction?
a)
It disappears
b)
It gets closer together
c)
It gets bigger
d)
None of these
13.
What happens to the Z lines during a sarcomere contraction?
a)
It disappears
b)
gets closer together
c)
It gets bigger
d)
None of these
14.
Only thick filaments present
a)
Sarcomere
b)
H zone
c)
M line
d)
Z disc
15.
The functional unit of the muscle cell is the:
a)
Sarcomere
b)
Osteon
c)
Myofilament
d)
Muscle fiber
16.
Thin filaments in a myofibril are
a)
Sarcomeres
b)
Sarcoplasm
c)
Actin
d)
Myosin
17.
Thick filaments are in a myofibril are
a)
ATPase
b)
Sarcoplasmic reticulum
c)
Actin
d)
Myosin
18.
Actin or mysoin containing structure.
a)
Tendon
b)
myofilament
c)
myofibril
d)
Fiber
100 %
