Cytoskeleton and Muscle Contraction Flashcard
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What are the three types of muscle tissue?
Back
Skeletal, smooth, and cardiac muscle.
2.
FLASHCARD QUESTION
Front
What are the two types of filaments present in all muscle types?
Back
Thick (myosin) and thin (actin) filaments.
3.
FLASHCARD QUESTION
Front
In a relaxed skeletal muscle, what is actin not chemically bound to?
Back
Myosin.
4.
FLASHCARD QUESTION
Front
What happens to a skeletal muscle when it is deprived of ATP?
Back
It enters a state where myosin and actin cannot separate and enters rigor.
5.
FLASHCARD QUESTION
Front
What is the functional unit of contraction in skeletal muscle?
Back
Sarcomere.
6.
FLASHCARD QUESTION
Front
What role do microtubules play in cell division?
Back
They are involved in chromosome movement during mitosis.
7.
FLASHCARD QUESTION
Front
What is the function of tropomyosin in muscle contraction?
Back
It blocks the binding sites on actin for myosin when the muscle is relaxed.
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