The Thick Filaments of a Myofibril Are Composed of

question 45

Multiple Choice

The thick filaments of a myofibril are composed of

• A) sarcoplasm.
• B) myosin.
• C) myoglobin.
• D) actin.
• E) T tubules.

---

Definitions:

Current Understanding

Refers to the present level of knowledge and comprehension surrounding a particular subject or topic.

Back To Sleep Position

A recommended sleeping position for babies, lying on their back, to reduce the risk of Sudden Infant Death Syndrome (SIDS).

Walking

The act of locomotion on foot, involving a series of rhythmical steps that move the body forward while maintaining stability.

Crawling

A form of movement involving the use of hands and knees, typically seen as an early developmental milestone in infants.