Sarcoplasm Study guides, Class notes & Summaries

Bio 264 Exam 3 Questions and Answers Already Passed What structure runs from Z line to Z line? Sarcomere The movement of the troponin-tropomyosin complex requires _______ Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ G- actin. A myofilament is the _________. Protein strand composed of actin or myosin T tubules ________. Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calci...

Kin 1A03 McMaster Final Exam Review (2023/2024) 100% Pass excitation-contraction coupling AP from NS turns into muscle contraction -MAP propagated along sarcolemma into t-tubules -Ca+ channels in SR open and release into sarcoplasm -Ca+ binds to troponin and tropomyosin detaches -X bridge forms myofibril entire muscles length - series of sarcomeres state of each of the bands when muscle is relaxed vs contracted A band (all of myosin) H zone - only myosin I band - only actin A band doesn't ch...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

What is the correct order of structures of a muscle from smallest to largest? - Muscle fiber, endomysium, fascicles, perimysium, epimysium What part within the muscle fiber stores glycogen and myoglobin and is made up of lipids, enzymes and various types of cellular organelles? - Sarcoplasm What is the function of calcium in the muscle stimulation process? - Binds with troponin to open up binding sites

ISSA STRENGTH AND CONDITIONING STUDY GUIDE QUESTIONS AND ANSWERS stretch-shortening cycle - ANS eccentric contraction followed immediately by concentric contraction intradiscal pressure - ANS Pressure present between vertebral discs. insulin - ANS A hormone produced by the pancreas or taken as a medication by many diabetics sinoatrial node - ANS a mass of cardiac muscle cells that lies at the junction of the superior vena cava with the right atrium and that initiates and r...

What structure runs from Z line to Z line? - Answer-Sarcomere The movement of the troponin-tropomyosin complex requires _______ - Answer-Ca2+. The actin filament is a polymer formed from 300 to 400 globular subunits called ______ - Answer-Gactin. A myofilament is the _________. - Answer-Protein strand composed of actin or myosin T tubules ________. - Answer-Conduct action potentials deep into the muscle cell A drug that interferes with the active transport of calcium ions from the sarcoplas...

Each muscle fiber is surrounded by a connective tissue called? a. Fasiciculi. b. Perimysium. c. Endomysium. d. Epimysium. C 5 What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? a. Calcium ions that bind to troponin. b. Calcium ions that bind to tropomyosin. c. Sodium ions that bind to troponin. d. Sodium ions that bind to tropomyosin. A 7 00:11 01:35 What type of muscular contraction occurs in the pectoral...

BSC2085 Exam 4 Questions and Answers 100% Pass The word muscle means? - Answer- little mouse What are the 3 kinds of muscle tissue? And what is there 1 major purpose ? - Answer- skeletal, cardiac, smooth To convert energy in ATP into energy of mechanical motion The muscular system only refers to what? - Answer- skeletal muscles Myology is? - Answer- study of the muscular system All cells have what characteristics? - Answer- Excitability (to chemical signals, stretch, and electrical chan...

Each skeletal muscle is an oran that contains.... : muscle tissue, connective tissue, nerve, and blood vessels. how much fibrous connective tissue/epimysium covers the body? : 430 skeletal muscles what is the function of the axon mylination? : speed of impluse increases high mylination large diameter - axon what is the salatory conduction of the axon? : jumping-more guting actions what is the complete list of a structure? : tendon epimysium fasciculus perimysium muscle fiber 2 | ...

Sarcolemma - Answers muscle plasma membrane Sarcoplasm - Answers cytoplasm of a muscle cell Muscle cells respond to neural, stretch, or other signals by changing their _______. - Answers sarcolemma electrical potential (voltage) The electrical potential change is coupled to intracellular changes that result in ______. - Answers force generation (contraction) Contractility - Answers active shortening of muscle cell and generation of tension (force) Extensibility - Answers passive s...