muscle
Cards (36)
- What should you be able to describe by the end of the video?
- What forms skeletal muscle fibers?
- Why are muscle fibers longer than normal cells?
- What appearance do skeletal muscle fibers have?
- What surrounds muscle fibers?
- What are the infoldings in the sarcolemma called?
- What role do T tubules play?
- What is the cytoplasm of muscle fibers called?
- What do we find within the sarcoplasm?
- Why do muscle fibers have multiple nuclei?
- What do mitochondria provide for muscle contraction?
- What is the modified endoplasmic reticulum in muscle fibers called?
- What are myofibrils?
- What shape do myofibrils have?
- How are myofibrils arranged?
- What happens when myofibrils contract?
- What are the two main types of proteins in myofibrils?
- What type of filaments does myosin form?
- What type of filaments does actin form?
- How are actin filaments structured?
- How can you remember which protein is thicker?
- What do the thick and thin filaments do?
- What is the fine line in the center of each light band called?
- What do light bands contain?
- What are light bands also called?
- What do dark bands contain?
- What are dark bands also called?
- What is the H zone?
- What connects actin filaments at the Z line?
- What is the sarcomere?
- What happens to the filaments during muscle contraction?
- What changes occur in the banding pattern during contraction?
- What happens to the dark band during contraction?
- What happens to the H zone during contraction?
- What happens to the light bands during contraction?
- What will the next video cover?