Anatomy

Question 1

Fascicle:

Answer 1

BUNDLE OF MUSCLE FIBERS

Question 2

Muscle fiber:

Answer 2

SKELETAL MUSCLE CELL

Question 3

Myofibril:

Answer 3

BUNDLES OF MYOFILAMENTS THAT IS ENCLOSED IN SR

Question 4

Myofilaments:

Answer 4

PROTEIN FILAMENT THAT MAKES UP MYOFIBRILS IN CARDIAC AND SKELETAL MUSCLE

Question 5

Myosin:

Answer 5

EARBUD-LIKE STRUCTURE; HEAD HAS ATP AND ACTIN BINDING SITES; PROTEIN MOLECULE

Question 6

Actin:

Answer 6

CONTRACTILE PROTEIN MAKING THE MAJOR PART OF THIN FILAMENTS IN A SARCOMERE

Question 7

What are the two types of myofilaments? What do they have?

Answer 7

Thick and thin. Thick: myosin. Thin: actin, myosin binding site, tropomyosin, and troponin

Question 8

Sarcoplasm:

Answer 8

CYTOPLASM OF A SKELETAL MUSCLE

Question 9

Sarcolemma:

Answer 9

PLASMA MEMBRANE FOR MUSCLE

Question 10

What is stored in the SR?

Answer 10

MYOFIBRILS

Question 11

T-Tubule:

Answer 11

TRANSVERSE TUBULES

Question 12

Sarcomere:

Answer 12

FUNCTIONAL UNIT OF A SKELETAL MUSCLE

Question 13

H-zone:

Answer 13

THICK FILAMENTS ONLY; MOST CENTRAL PORTION OF A BAND IN A RESTING SARCOMERE

Question 14

Z-disc:

Answer 14

MARKS THE END OF SARCOMERES; PERPENDICULAR TO MYOFILAMENTS; ANCHOR THIN FILAMENTS TO ACTIN