Thick myofilaments are m - Study guides, Class notes & Summaries

Anatomy - answer-The study of structure 4 areas of Anatomy - answer-Histology, Gross Anatomy, Neuroanatomy, and Embryology. What is "inextricably linked in Anatomy?" - answer-Form and function What is a molecule? - answer-Group of atoms bonded together A molecule is on what level? - answer-Chemical level cells - answer-smallest living structures and are formed from atoms and molecules cells are found at which level? - answer-cellular level Tissues - answer-similar cells that...

ANP 319 LAB PRACTICAL 2 EXAM 2024 WITH 100% CORRECT ANSWERS Sarcomere anatomy (what each is made of) - correct answer Z-line: made of alpha actin, establishes ends of sarcomere and is actin anchor point. I-Band: Segment of only actin H-zone: Segment of only myosin A-Band: Segment of myosin and its actin overlap M Line: Innervates the sarcomere? establishes center. Made of *Myomesin* What gets shorter and what doesnt when sarcomere contracts - correct answer Does: Sarcomere (z line to z...

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...

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...

C. Sarcomere During cross bridge cycling in skeletal muscle, the _____ shortens A. A band B. Z line/disc C. Sarcomere D. M line B. It begins after calcium binds to troponin Which is a correct statement about the sarcoplasmic reticulum? A. Energy is provided when ADP and Pi detach from the actin head B. It begins after calcium binds to troponin C. The binding of an ATP causes the deflex of the crossbridge D. The process is based on a series of convergence changes D. One ATP was being ...

Exam 3 Bio 168 questions with correct answers Three types of muscular tissue Correct Answer--skeletal muscle -cardiac muscle -smooth muscle Function of skeletal muscle Correct Answer--produce skeletal movement -maintain body position/stability -guard body openings -maintain body temperature What are the three connective tissue layers in the muscular system and how are they organized? Correct Answer-3 sheaths of connective tissues organized as: 1) epimysium (surrounds whole muscle...

Biology 235 Physiology - Exam #2 Questions With Verified Answers What are the three types of muscle tissue? - answer1) Skeletal muscle 2) Cardiac muscle 3) Smooth muscle What are the characteristics of skeletal muscle? - answer- Long, cylindrical cells - Multinucleate - Striated with numerous fine bands - Voluntary - Neurogenic, it requires a nerve to stimulate it What are the characteristics of smooth muscle? - answer- Spindle shapes - Flat and unstriated - Single nucleus - Involun...

BIOD151 - Module 5 Summary, Complete Solution With pictures and diagrams For Your Module 5 Exams. Figure 5.1 Posterior view of the nervous system. The brain and spinal cord (central nervous system) connect to the peripheral nervous system. Examples of peripheral nerves are spinal nerves (cervical, thoracic, and lumbar), the upper trunk of the brachial plexus, and the radial nerve. (3) Divisions of the Spinalis thoracis, cervicis, capitis Spinalis Thoracis Origin: spinous processes ...

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...

Z-disc or Z-line - correct answer The ___ delineates the end of a sarcomere thick and thin myofilaments slide past each other and retain the same length - correct answer The sliding-filament theory proposes that muscle fibers shorten or lengthen because inhibit calcium uptake by the mitochondria - correct answer Tropomyosin's major function Elasticity - correct answer The ability of a muscle to return to resting length after being stretched Myofibrils - correct answer contain contra...