Skeletal Muscle Levels of Organization

Front

What is shown in the colored part of this diagram? Options: a whole muscle, five muscle fibers, five muscle fascicles, five myofibrils

Back

five myofibrils

Front

What is labeled "1" in the diagram? Options:

sarcolemma

,

sarcoplasmic reticulum

,

transverse tubules

,

myofibril

Back

sarcolemma

Front

What is labeled "2" (the yellow part) in the diagram? Options:

sarcolemma

,

sarcoplasmic reticulum

,

transverse tubules

,

myofibril

Back

transverse tubules

Front

What is labeled "4" (the blue/purple part) in the diagram? Options:

sarcolemma

,

sarcoplasmic reticulum

,

transverse tubules

,

myofibril

Back

sarcoplasmic reticulum

Front

Name the following in order from largest to smallest: muscle, muscle fascicle, muscle cell, myofibril, filaments

Back

muscle, muscle fascicle, muscle cell, myofibril, filaments

Front

What happens in the transverse tubules of a muscle cell?

Back

Action potentials are conducted through the tubules to the inside of the cell.

Front

Which type of muscle tissue connects bones to other bones, allowing for movement of our joints?

Back

skeletal

Front

Which type of muscle tissue is involuntary and found in places such as the stomach and intestines?

Back

smooth

Front

What is labeled "6" in the diagram? These help convert oxygen and sugars into ATP for the muscle cell to use.

Back

mitochondria

Front

Which of the following is NOT a molecule?

ATP

,

fascicle

,

actin

,

myosin

Back

fascicle