DMD Flashcard 1 Review

Front

Which part of the body is affected by DMD?

Back

Muscles

Front

What do we call a single muscle cell?

Back

Muscle fiber

Front

____________ attaches to actin to form the cross bridge.

Back

Myosin

Front

What is a bundle of muscle fibers called?

Back

Fascicle

Front

Which of the following is TRUE in a DMD muscle cell?

Back

Cells cannot repair their tears/damage.

Front

What is the function of myosin in muscle contraction?

Back

Myosin interacts with actin to facilitate muscle contraction.

Front

Define 'fascicle' in the context of muscle anatomy.

Back

A fascicle is a bundle of muscle fibers.

Front

What role does calcium play in muscle contraction?

Back

Calcium ions trigger the interaction between actin and myosin.

Front

What is the significance of troponin in muscle contraction?

Back

Troponin regulates the interaction between actin and myosin.

Front

What is the primary energy source for muscle contraction?

Back

Adenosine triphosphate (ATP) is the primary energy source.