Sarcoplasmic reticulum - Study guides, Study notes & Summaries

Comprehensive Exam: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Study Guide Review Questions | 100% Correct | Grade A - Chamberlain Question: Which of the following statements best describes the meaning of a cross-bridge in the process of a muscle contraction? Answer: Myosin head attaching to the myosin binding sites of actin Question: During the ____________ phase of an action potential, Na+ is entering the cell, causing the membrane poten...

CSCS EXAM 2024 WITH 100% ACCURATE SOLUTIONS Endomysium - ANSWER ☑☑Each muscle fiber is surrounded by a connective tissue called? Calcium ions that bind to troponin - ANSWER ☑☑What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle ? Eccentric - ANSWER ☑☑What type of muscular contraction occurs in the pectoralis major during the slow, controlled downward phase of a bench press?

Myocyte - ANSWER Muscle cell Sarcolemma - ANSWER Plasma membrane of myocyte Sarcoplasm - ANSWER Cytoplasm of myocyte Myofibril - ANSWER Tightly packed filament bundles found within skeletal muscle fibers. Contractional unit of a muscle cell. Sarcoplasmic reticulum - ANSWER Site of calcium storage in a muscle cell. Surrounds the myofibrils Transverse tubules (T-tubule) - ANSWER Inward extensions of the sarcolemma that dive into the muscle fiber and surround each myofibril to form a...

BIOD 151 module 5 exam Questions and Correct Answers, Complete Solution. 2024. T/F There are three types of muscle tissue found in the body. True T/F Smooth and cardiac muscle tissue are both under voluntary control. False T/F Cardiac and smooth muscle tissue are both under involuntary control True T/F The lumbar plexus is part of the central nervous system. False- this is a peripheral nerve T/F The musculocutaneous nerve is part of the central nervous system False T/F A motor signa...

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 ______ Gactin. 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 calcium ions from the sarcoplasm back into the sarcoplasmic reticulum would...

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 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 ______ Gactin. 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 calcium ions from the sarcoplasm back into the sarcoplasmic reticulum would...

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...

CSCS Exam Practice Questions 2024, NSCA CSCS - Study Review Rated A+ Perimysium (surrounding group of fibers/fascicules) Endomysium (surrounding individual fibers) Fascia Delicate "cobwebby" tissue Motor Unit Motor Neuron and the muscle fibers it innervates Typically several hundred muscle fibers in a single motor unit Sarcolemma The plasma membrane of a cell Transverse Tubules Connect to plasma membrane to interior Action potentials travel through Ensures AP exci...

CSCS EXAM 2024 WITH 100% ACCURATE ANSWERS Each muscle fiber is surrounded by a connective tissue called? - ANSWER ☑☑Endomysium What is released from the sarcoplasmic reticulum into the myofibril, causing tension development in a muscle? - ANSWER ☑☑Calcium ions that bind to troponin What type of muscular contraction occurs in the pectoralis major during the slow, controlled, downward phase of a bench press? - ANSWER ☑☑Eccentric What is the thick structural protei...