Muscle Tissue

The following phrase describes which important protein: "it links actin filaments to a peripheral protein on the inner face of the sarcolemma"

• Tropomyosin

• Troponin

• Dystrophin

• Titin

The H band consists of?

• Both actin and myosin

• actin only

• myosin only

• neither

the _ line/disc passes through the center of the I band

What regulatory proteins are part of the thin band (actin)? Please choose all that apply

• Troponin

• Titin

• Tropomyosin

• Myosin

"Myofibers" are the same as "muscle cells"

• True

• False

What two types of filaments make up myofibrils?

• short and thick

• Thin and tall

• Short and thin

• Thin and thick

What is a characteristic of thick filaments

• troponin

• myosin heads

• fascia

• femur

The sarcoplasm must always be plentiful in glycogen, for energy, and calcium, for structure

• True

• False

When you work out, it stimulates your muscle cells to divide more

• True

• False

During contraction, the sarcomere shortens, but the thick and thin filaments do not change in length.

• True

• False