Sliding Filament Theory
Authored by Grant O
Biology
12th Grade
NGSS covered
Used 83+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the repeating units called in myofibrils?
Muscle fibers
Sarcomeres
Cylindrical structures
Myofibrils
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the sliding filament theory explain?
How muscles contract at the molecular level
How muscles grow in size
How muscles generate heat
How muscles store energy
3.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The myosin heads bind to the exposed myosin-binding sites on ______, causing the actin filaments to slide over the myosin filaments in a power stroke.
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
ATP is required for the myosin heads to detach from actin, and myosin hydrolyzes ATP to ADP and Pi to return to its ______ position.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the release of calcium ions in muscle contraction?
Action potential
Troponin
Tropomyosin
Myosin-binding sites
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
The cross-bridge cycle repeats as long as _______ ions are available, resulting in the shortening of the sarcomere and muscle contraction.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which two main protein filaments are involved in muscle contraction within each sarcomere?
actin filaments and myosin filaments
myosin filaments and troponin filaments
actin filaments and troponin filaments
actin filaments and tropomyosin filaments
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
