Examlex
According to most astronomers,what two factors are necessary to launch a protostellar jet?
Thick Filaments
Protein structures in muscle fibers responsible for muscle contraction.
Thin Filaments
Filaments within muscle fibers composed primarily of the protein actin, which play a key role in muscle contraction by sliding past thick filaments.
A Band
The dark area observed in the sarcomere of skeletal and cardiac muscle fibers, consisting of thick myosin filaments.
Connective Tissue
A type of body tissue that supports, connects, or separates different types of tissues and organs in the body.
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