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Label the image of a skeletal muscle fiber below. Actin Muscle fascicle Muscle fiber Muscle (organ)...
1. Describe the structure of a muscle, including the following terms: myosin, actin, sarcomere, myofibril, fiber,...
1. Describe the structure of a muscle, including the following terms: myosin, actin, sarcomere, myofibril, fiber, bundle.
Identify the muscle structure indicated with each number and match it to the appropriate label in...
Identify the muscle structure indicated with each number and match it to the appropriate label in the table. Label Muscle Structure Bone Endomysium Epimysium Fascicle Muscle Muscle fiber Myofibril Nuclei Perimysium Tendon Cross-section Endomysium Blood vessel Muscle fiber Epimysium Perimysium Identify the muscle cell structures indicated with each number and match it to the appropriate label in the table. Then check your answers. Number Muscle structure Myofibril Opening into T-tubule Plasmalemma Sarcoplasms Sarcoplasmic reticulum Transverse tubules Identify the sarcomere structure...
1. (2 points) If you were given a microscope slide with an unknown type of muscle...
1. (2 points) If you were given a microscope slide with an unknown type of muscle tissue, what features would you look for to determine whether the tissue was smooth muscle or skeletal muscle? Give 2 characteristics that would allow you to distinguish between these tissue types. Be sure to state which type of muscle has the characteristics you describe.) 2. Give 3 examples of different types of connective tissues found within the body and briefly note one function of...
Name Lab Partner 1. Part A Match the term with its correct description A. Sarcolemma B....
Name Lab Partner 1. Part A Match the term with its correct description A. Sarcolemma B. Sarcomere C. Sarcoplasm D. Sarcoplasmic reticulum E. Endomysium F. Perimysium G. Epimysium H. Fascicle 1. Tendon Attaches muscle to bone Component of thick filament Component of thin filament Cytoplasm of a muscle cell Functional unit of a myofibril Cell membrane of a muscle cell Bundle of muscle fibers Produces ATP for muscle contraction Connective tissue that surrounds an individual muscle fiber Connective tissue that...
Draw the basic structure of skeletal muscle. Label the following: Epimysium, Fascicle, Muscle Fibers, Perimysium, tendon....
Draw the basic structure of skeletal muscle. Label the following: Epimysium, Fascicle, Muscle Fibers, Perimysium, tendon. 3. Define the following terms: 1. A Band 2. I Band 3. Z disk 4. H zone 5. M line Label the above on the following. Also include "sarcomere." 4. Complete the following chart Striated One or Size & Shape of Voluntary Special Or Non-striated Multiple Nuclei Cell Or Involuntary Features Muscle Type Cardiac Muscle Skeletal Muscle Smooth Muscle
7. Use the key to label the structures on the thoracic region of the vertebral column....
7. Use the key to label the structures on the thoracic region of the vertebral column. Key: a b. C. d. e intervertebral discs intervertebral foramina spinous prosesses thoracic vertebrae transverse processes Instructors may assign a portion of the Review Sheet questions using Mastering ABP EXERCISE REVIEW SHEET Microscopic Anatomy and Organization of Skeletal Muscle Name Lab Time Date Skeletal Muscle Cells and Their Organization into Muscles 1. Use the items in the key to correctly identify the structures described...
Chapters 6-8: Muscle and Neuromuscular Junction 1 Myofibrils A Excitatory transmitter that excites muscle fiber membrane...
Chapters 6-8: Muscle and Neuromuscular Junction 1 Myofibrils A Excitatory transmitter that excites muscle fiber membrane 2 Titin B Required to cause smooth muscle relaxation 3 Actin filaments C Thousands grouped together to form the muscle fiber 4 Tropomyosin D Nerve fiber sympase at muscle fiber 5 Sarcomere E Block active sites on actin filaments to block myosin attraction Acetylcholine F activates myosin cross-bridges in smooth muscle 7 Neuromuscular junction G Muscle sections between Z discs that individually contract 8...
ACTIVITY 1 Learning Skeletal Muscle Microstructure Materials for This Activity Compound light microscope Prepared slide of...
ACTIVITY 1 Learning Skeletal Muscle Microstructure Materials for This Activity Compound light microscope Prepared slide of skeletal muscle (teased) Model of muscle cell showing parts of a myofibril View a slide of skeletal muscle, and carefully focus and adjust the light so that you can see the stria- tions, or alternating light and dark areas. The ligh areas are where we mainly have the thin act: proteins. The darker areas are where we mais have the thick myosin proteins. Now...
236 UNIT 12 introduction to Muscularsstern MusceTissue 2. Match each of the following terms with its...
236 UNIT 12 introduction to Muscularsstern MusceTissue 2. Match each of the following terms with its description/function: transverse tubule l. connective tissue wrapping around a muscle fiber sarcoplasmic reticulum 2. organelle packed with myofilaments epimysium transverse tubule and its flanking terminalcisternae d. thin filament 4 invagination of the sarcolemma 5. connective tissue wrapping around fascicle myofibril 6. the region of sarcolemma across from the axon terminal f triad at the neuromuscular junction endomysium 7. consists of actin, troponin, and tropomyosin...
Muscle contraction: Select one O a occurs when myosin pulls on actin and the sarcomere shortens...
Muscle contraction: Select one O a occurs when myosin pulls on actin and the sarcomere shortens b. occurs when actin pushes on myosin and the sarcomere elongates O c occurs when the myosin tail splits the actin filament in half Od occurs when actin and myosin entangle, generating more distance between Z lines
Identify the muscle structure indicated with each number and match it to the appropriate label in the table. Label Muscle Structure Bone Endomysium Epimysium Fascicle Muscle Muscle fiber Myofibril Nuclei Perimysium Tendon Cross-section Endomysium Blood vessel Muscle fiber Epimysium Perimysium Identify the muscle cell structures indicated with each number and match it to the appropriate label in the table. Then check your answers. Number Muscle structure Myofibril Opening into T-tubule Plasmalemma Sarcoplasms Sarcoplasmic reticulum Transverse tubules Identify the sarcomere structure...
1. (2 points) If you were given a microscope slide with an unknown type of muscle tissue, what features would you look for to determine whether the tissue was smooth muscle or skeletal muscle? Give 2 characteristics that would allow you to distinguish between these tissue types. Be sure to state which type of muscle has the characteristics you describe.) 2. Give 3 examples of different types of connective tissues found within the body and briefly note one function of...
Name Lab Partner 1. Part A Match the term with its correct description A. Sarcolemma B. Sarcomere C. Sarcoplasm D. Sarcoplasmic reticulum E. Endomysium F. Perimysium G. Epimysium H. Fascicle 1. Tendon Attaches muscle to bone Component of thick filament Component of thin filament Cytoplasm of a muscle cell Functional unit of a myofibril Cell membrane of a muscle cell Bundle of muscle fibers Produces ATP for muscle contraction Connective tissue that surrounds an individual muscle fiber Connective tissue that...
Draw the basic structure of skeletal muscle. Label the following: Epimysium, Fascicle, Muscle Fibers, Perimysium, tendon. 3. Define the following terms: 1. A Band 2. I Band 3. Z disk 4. H zone 5. M line Label the above on the following. Also include "sarcomere." 4. Complete the following chart Striated One or Size & Shape of Voluntary Special Or Non-striated Multiple Nuclei Cell Or Involuntary Features Muscle Type Cardiac Muscle Skeletal Muscle Smooth Muscle
7. Use the key to label the structures on the thoracic region of the vertebral column. Key: a b. C. d. e intervertebral discs intervertebral foramina spinous prosesses thoracic vertebrae transverse processes Instructors may assign a portion of the Review Sheet questions using Mastering ABP EXERCISE REVIEW SHEET Microscopic Anatomy and Organization of Skeletal Muscle Name Lab Time Date Skeletal Muscle Cells and Their Organization into Muscles 1. Use the items in the key to correctly identify the structures described...
Chapters 6-8: Muscle and Neuromuscular Junction 1 Myofibrils A Excitatory transmitter that excites muscle fiber membrane 2 Titin B Required to cause smooth muscle relaxation 3 Actin filaments C Thousands grouped together to form the muscle fiber 4 Tropomyosin D Nerve fiber sympase at muscle fiber 5 Sarcomere E Block active sites on actin filaments to block myosin attraction Acetylcholine F activates myosin cross-bridges in smooth muscle 7 Neuromuscular junction G Muscle sections between Z discs that individually contract 8...
ACTIVITY 1 Learning Skeletal Muscle Microstructure Materials for This Activity Compound light microscope Prepared slide of skeletal muscle (teased) Model of muscle cell showing parts of a myofibril View a slide of skeletal muscle, and carefully focus and adjust the light so that you can see the stria- tions, or alternating light and dark areas. The ligh areas are where we mainly have the thin act: proteins. The darker areas are where we mais have the thick myosin proteins. Now...
236 UNIT 12 introduction to Muscularsstern MusceTissue 2. Match each of the following terms with its description/function: transverse tubule l. connective tissue wrapping around a muscle fiber sarcoplasmic reticulum 2. organelle packed with myofilaments epimysium transverse tubule and its flanking terminalcisternae d. thin filament 4 invagination of the sarcolemma 5. connective tissue wrapping around fascicle myofibril 6. the region of sarcolemma across from the axon terminal f triad at the neuromuscular junction endomysium 7. consists of actin, troponin, and tropomyosin...
Muscle contraction: Select one O a occurs when myosin pulls on actin and the sarcomere shortens b. occurs when actin pushes on myosin and the sarcomere elongates O c occurs when the myosin tail splits the actin filament in half Od occurs when actin and myosin entangle, generating more distance between Z lines
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