Chamberlain BIOS 252 Exam 1 | Questions with 100%
Verified Answers | Latest Update 2026/2027
Question: skeletal muscle
Answer: A muscle that is attached to the bones of the skeleton and provides the force that
moves
the bones.
Question: Location of skeletal muscle
Answer: in skeletal muscles attached to bones or occasionally to skin
Question: Excitability
Answer: ability to respond to stimuli
Question: Conductivity
Answer: The ability of an object to transfer heat or electricity to another object.
Question: Extensibility
Answer: ability to be stretched
Question: Elasticity of muscle
Answer: Ability of muscle fibers to recoil and resume their resting length after being
stretched.
Question: Contractibility
Answer: ability to shorten/contract
Question: Sarcomere
Answer: Contractile unit of muscle (z disc to z disc)
Question: Sarcolemma
Answer: muscle cell membrane
Question: sarcoplasmic reticulum (SR)
Answer: organelle of the muscle fiber that stores calcium
Question: Z disc
Answer: coin-shaped sheet of proteins that anchors the thin filaments and connects myofibrils
to
one another
, Question: M line
Answer: middle of sarcomere
Question: A band
Answer: dark area; extends length of the thick filaments
Question: I band
Answer: light band, actin only
Question: Zone of Overlap
Answer: where thick and thin filaments overlap
Question: Thick filaments
Answer: myosin
Question: Thin filaments
Answer: actin
Question: contractile proteins in muscle
Answer: actin and myosin
Question: structural proteins
Answer: proteins that form an organism's physical attributes
Question: regulatory proteins
Answer: tropomyosin and troponin
Question: Microfilaments
Answer: Long, thin fibers that function in the movement and support of the cell
Question: Myofibrils
Answer: Microscopic protein filaments that make up muscle cells.
Question: muscle fiber
Answer: muscle cell
Question: muscle fassicle
Answer: bundle of muscle fibers
Verified Answers | Latest Update 2026/2027
Question: skeletal muscle
Answer: A muscle that is attached to the bones of the skeleton and provides the force that
moves
the bones.
Question: Location of skeletal muscle
Answer: in skeletal muscles attached to bones or occasionally to skin
Question: Excitability
Answer: ability to respond to stimuli
Question: Conductivity
Answer: The ability of an object to transfer heat or electricity to another object.
Question: Extensibility
Answer: ability to be stretched
Question: Elasticity of muscle
Answer: Ability of muscle fibers to recoil and resume their resting length after being
stretched.
Question: Contractibility
Answer: ability to shorten/contract
Question: Sarcomere
Answer: Contractile unit of muscle (z disc to z disc)
Question: Sarcolemma
Answer: muscle cell membrane
Question: sarcoplasmic reticulum (SR)
Answer: organelle of the muscle fiber that stores calcium
Question: Z disc
Answer: coin-shaped sheet of proteins that anchors the thin filaments and connects myofibrils
to
one another
, Question: M line
Answer: middle of sarcomere
Question: A band
Answer: dark area; extends length of the thick filaments
Question: I band
Answer: light band, actin only
Question: Zone of Overlap
Answer: where thick and thin filaments overlap
Question: Thick filaments
Answer: myosin
Question: Thin filaments
Answer: actin
Question: contractile proteins in muscle
Answer: actin and myosin
Question: structural proteins
Answer: proteins that form an organism's physical attributes
Question: regulatory proteins
Answer: tropomyosin and troponin
Question: Microfilaments
Answer: Long, thin fibers that function in the movement and support of the cell
Question: Myofibrils
Answer: Microscopic protein filaments that make up muscle cells.
Question: muscle fiber
Answer: muscle cell
Question: muscle fassicle
Answer: bundle of muscle fibers
