Muscle Contraction Flashcard

Muscle Contraction Flashcard

Assessment

Flashcard

Science

11th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the energy molecule required for muscle contraction?

Back

ATP (Adenosine Triphosphate) is the energy molecule needed for muscle contraction.

2.

FLASHCARD QUESTION

Front

Which ion diffuses in the cytoplasm to facilitate muscle contraction?

Back

Calcium ions (Ca+) diffuse in the cytoplasm between myosin and actin, causing them to slide into each other.

3.

FLASHCARD QUESTION

Front

What is produced when ATP is broken down to release energy for muscle contraction?

Back

When ATP is broken down, it produces ADP (Adenosine Diphosphate) and inorganic phosphate (P).

4.

FLASHCARD QUESTION

Front

What are the components of the thin band in muscle fibers?

Back

The thin band includes actin, troponin, and tropomyosin, but not myosin.

5.

FLASHCARD QUESTION

Front

What is the thick band in muscle fibers known as?

Back

The thick band with heads is known as myosin.

6.

FLASHCARD QUESTION

Front

What role does ATP play in muscle contraction?

Back

ATP provides the energy necessary for the myosin heads to attach to actin and perform the power stroke.

7.

FLASHCARD QUESTION

Front

What is the function of troponin in muscle contraction?

Back

Troponin binds to calcium ions and helps regulate the interaction between actin and myosin.

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