Muscle Fiber Structure and Function Flashcards

Muscle Fiber Structure and Function Flashcards

Assessment

Flashcard

Science

12th Grade

Practice Problem

Easy

Created by

Hollie Burson

Used 1+ times

FREE Resource

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7 questions

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1.

FLASHCARD QUESTION

Front

Actin

Back

A protein that forms thin filaments in muscle fibers, essential for muscle contraction.

2.

FLASHCARD QUESTION

Front

Myosin

Back

A motor protein that interacts with actin to cause muscle contraction, forming thick filaments.

3.

FLASHCARD QUESTION

Front

Sarcoplasmic Reticulum

Back

A specialized type of smooth endoplasmic reticulum in muscle cells that stores and releases calcium ions.

4.

FLASHCARD QUESTION

Front

A Band

Back

The dark band in a muscle sarcomere that contains the entire length of the thick filaments.

5.

FLASHCARD QUESTION

Front

I Band

Back

The light band in a muscle sarcomere that contains only thin filaments.

6.

FLASHCARD QUESTION

Front

Z Line

Back

The boundary of a muscle sarcomere, where actin filaments are anchored.

7.

FLASHCARD QUESTION

Front

Sarcomere

Back

The basic contractile unit of muscle fiber, defined by the area between two Z lines.

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