Chamberlain BIOS 252 Exam 1 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
skeletal muscle - CORRECT ANSWER -A muscle that is attached to the bones of the
skeleton and provides the force that moves the bones.
Location of skeletal muscle - CORRECT ANSWER -in skeletal muscles attached to bones
or occasionally to skin
Excitability - CORRECT ANSWER -ability to respond to stimuli
Conductivity - CORRECT ANSWER -The ability of an object to transfer heat or
electricity to another object.
Extensibility - CORRECT ANSWER -ability to be stretched
Elasticity of muscle - CORRECT ANSWER -Ability of muscle fibers to recoil and resume
their resting length after being stretched.
Contractibility - CORRECT ANSWER -ability to shorten/contract
Sarcomere - CORRECT ANSWER -Contractile unit of muscle (z disc to z disc)
Sarcolemma - CORRECT ANSWER -muscle cell membrane
sarcoplasmic reticulum (SR) - CORRECT ANSWER -organelle of the muscle fiber that
stores calcium
, Z disc - CORRECT ANSWER -coin-shaped sheet of proteins that anchors the thin
filaments and connects myofibrils to one another
M line - CORRECT ANSWER -middle of sarcomere
A band - CORRECT ANSWER -dark area; extends length of the thick filaments
I band - CORRECT ANSWER -light band, actin only
Zone of Overlap - CORRECT ANSWER -where thick and thin filaments overlap
Thick filaments - CORRECT ANSWER -myosin
Thin filaments - CORRECT ANSWER -actin
contractile proteins in muscle - CORRECT ANSWER -actin and myosin
structural proteins - CORRECT ANSWER -proteins that form an organism's physical
attributes
regulatory proteins - CORRECT ANSWER -tropomyosin and troponin
Microfilaments - CORRECT ANSWER -Long, thin fibers that function in the movement
and support of the cell
Myofibrils - CORRECT ANSWER -Microscopic protein filaments that make up muscle
cells.
ACTUAL Exam Questions and CORRECT
Answers
skeletal muscle - CORRECT ANSWER -A muscle that is attached to the bones of the
skeleton and provides the force that moves the bones.
Location of skeletal muscle - CORRECT ANSWER -in skeletal muscles attached to bones
or occasionally to skin
Excitability - CORRECT ANSWER -ability to respond to stimuli
Conductivity - CORRECT ANSWER -The ability of an object to transfer heat or
electricity to another object.
Extensibility - CORRECT ANSWER -ability to be stretched
Elasticity of muscle - CORRECT ANSWER -Ability of muscle fibers to recoil and resume
their resting length after being stretched.
Contractibility - CORRECT ANSWER -ability to shorten/contract
Sarcomere - CORRECT ANSWER -Contractile unit of muscle (z disc to z disc)
Sarcolemma - CORRECT ANSWER -muscle cell membrane
sarcoplasmic reticulum (SR) - CORRECT ANSWER -organelle of the muscle fiber that
stores calcium
, Z disc - CORRECT ANSWER -coin-shaped sheet of proteins that anchors the thin
filaments and connects myofibrils to one another
M line - CORRECT ANSWER -middle of sarcomere
A band - CORRECT ANSWER -dark area; extends length of the thick filaments
I band - CORRECT ANSWER -light band, actin only
Zone of Overlap - CORRECT ANSWER -where thick and thin filaments overlap
Thick filaments - CORRECT ANSWER -myosin
Thin filaments - CORRECT ANSWER -actin
contractile proteins in muscle - CORRECT ANSWER -actin and myosin
structural proteins - CORRECT ANSWER -proteins that form an organism's physical
attributes
regulatory proteins - CORRECT ANSWER -tropomyosin and troponin
Microfilaments - CORRECT ANSWER -Long, thin fibers that function in the movement
and support of the cell
Myofibrils - CORRECT ANSWER -Microscopic protein filaments that make up muscle
cells.
