Thin filament - Study guides, Class notes & Summaries

GMS 6474 Exam Questions and Answers 100% Correct Lecture 2 Muscles can either be ____ or ____? - Answer- 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? - Answer- How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? - Answer- Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? - Answer- FALSE! what tw...

NSCA CSCS Chapter 1 Exam Questions with Answers neuromuscular junction - Answer-junction between motor neuron and muscle fibers it innervates motor unit - Answer-motor neuron and muscle fibers it innervates myofibrils - Answer-contain the apparatus that contracts muscle cells myofilaments - Answer-actin and myosin myosin - Answer-thick filament actin - Answer-thin filament longitudinally - Answer-mysoin and actin arranged this way in the sarcomere sarcomere - Answer-smalle...

Muscle Tissue Property: Electrical Excitability - ANSWER ions are charged molecules that have different concentrations between a semipermeable membrane Muscular Tissue Property: Contractility - ANSWER the ability to forcefully contract Muscular Tissue Property: Extensibility - ANSWER the ability to stretch Muscular Tissue Property: Elasticity - ANSWER the ability to return to your original shape Microscopic Anatomy of a Skeletal Muscle Fiber - ANSWER -each mature skeletal muscle fibe...

CT Registry Review (MIC) Questions and Answers Rated 100% In order for an x-ray photon to be measured it must: 1. enter the detector chamber 2. be absorbed by the detector material 3. be converted to a measurable event *ANS* 1,2,3 Which system component converts the projection attenuation data into the proper digital form for the array processor? *ANS* analog-to-digital converter Which of the following is NOT a function of a PACS system? a. reconstruction of the image from the raw d...

What is the Muscle Cell? correct answers the muscle fiber Structure of a skeletal muscle correct answers a bundle of fibers - Epimysium - Perimysium - Endomysium - Fascicle -Sarcolemma - Muscle fibril - Myofibril Epimysium correct answers covers the entire skeletal muscle Perimysium correct answers surrounds fascicles Endomysium correct answers surrounds each muscle fiber Fascicle correct answers bundle of muscle fibers Sarcolemma correct answers Muscle's plasma membr...

Mitochondrion - Answer Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use Triad - Answer a T tubule and two terminal cisterns Muscle Tension - Answer The force generated by a contracting skeletal muscle sliding filament model - Answer states that the thick and thin filaments slide past each other so that their degree of overlap increases

GMS 6474 final exam questions and Answers 100% correct what does the SR store - Answer- proteins and calcium what is the role of the transverse tubules in the muscle fiber - Answer- allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - Answer- from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - Answer- thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere...

CSULB BIOL 207 Lab Final StudyWhat is the function of skeletal muscle? - correct answer Contracts to cause bone movement What are the structures of the skeletal muscle? - correct answer Tendons and muscle fibers What does muscle fibers contains? - correct answer Bundles of protein filaments What are the two protein filaments in muscle fibers? - correct answer Actin (Thin) and Myosin (Thick) What does the Sliding Filament Model state? - correct answer Actin and myosin DO NOT shorten, ...

e. All of the choices are correct except for myosin correct answers 9. The thin filament in skeletal muscle contains _____ molecules. a. actin b. myosin c. troponin d. tropomyosin e. All of the choices are correct except for myosin a. actin, myosin correct answers 9. Cross-bridges form between _____ and _____ during muscular contraction. a. actin, myosin b. actin, tropomyosin c. myosin, troponin d. myosin, tropomyosin e. troponin, calmodulin b. initiate changes in protein con...

What are the three types of muscle tissue? - ANSWER Skeletal, Cardiac, and Smooth What are characteristics of skeletal muscle? - ANSWER Striated, voluntary, multinucleated, somatic nervous system control What are characteristics of smooth muscle? - ANSWER Non-striated, involuntary, uninucleated, autonomic nervous control What are characteristics of cardiac muscle? - ANSWER Striated, branching, uninucleated, involuntary, autonomic nervous control, intercalated discs (gap junctions) Wh...