Myofibrils - Study guides, Class notes & Summaries

Straighterline Anatomy Final, Straighterline Anatomy & Physiology Exam What is the smallest level of organization in the body that contains the body's genetic information? a. chemical b. cellular c. tissue d. organism -Correct Answer-cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated blood pressure during exercise b. increase in ...

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 Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% CorrectCSCS Exam Scientific foundations topics Questions & Answers 100% Correctwhat are the major muscles and muscle groups? Where are they located - ANSWERupper body: abdominal, pectoral, trapezius, latissimus dorsi, erector spinae, biceps, and triceps lower body: quadriceps, hamstrings...

A&P 1 Final Exam, Straighterline Anatomy and Physiology 1, Straighterline A&P 1 Cumulative Final 100% Pass What is the smallest level of organization in the body that contains the body's genetic information? Select one: a. chemical b. cellular c. tissue d. organism B. Cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated...

NSCA CSCS Vocabularies Review (Latest 2023/ 2024 Update) Questions and Verified Answers | 100% Correct| Grade A Q: perimysium Answer: covers bundles of muscle fibers (fascicli) Q: endomysium Answer: surrounds each individual muscle fiber Q: sarcolemma Answer: continuous with the muscle fibers membrane and endomysium Q: motor neuron Answer: nerve cell Q: neuromuscular junction Answer: where a nerve cell innervates muscle fibers, ...

Oakland University BIO2100 Chris Kauhn Exam 2; Questions & Answers 100% Verified Properties of Muscle Tissue Answer-Contractility, Extensibility, Elasticity, Irritability, Tonus Smooth Muscle Answer-Involuntary, walls of internal organs and blood vessels, possess 1 nucleus, not striated Cardiac Muscle Answer-Involuntary, located in heart, appears striated due to intercalated discs and has 1 nucleus Skeletal Muscle Answer-Can grow to 4 cm in length, multinucleated, voluntary, Muscle Fi...

Straighterline Anatomy Final, Straighterline Anatomy & Physiology Exam 2024 What is the smallest level of organization in the body that contains the body's genetic information? a. chemical b. cellular c. tissue d. organism -Answer-cellular The cellular level includes the nucleus, an organelle that contains the body's genetic information. Which is an example of a normally occurring positive-feedback mechanism? Select one: a. elevated blood pressure during exercise b. increase in hea...

Epimysium - ANSWER Connective tissue layer surrounding muscle organ Fasicles - ANSWER Muscular subunits that contain muscle cells. Coated by parimysium Muscle Cell - ANSWER Coated by endomysium Sarcolemma - ANSWER muscle cell cytoplasm Unique characteristics of muscle cells - ANSWER High concentration of mitochondria, multiple nuclei, sarcoplasmic reticulum, t-tubules, and myofibrils Sarcoplasmic Reticulum - ANSWER ER that covers the myofibrils

what are the major muscles and muscle groups? Where are they located Answer upper body: abdominal, pectoral, trapezius, latissimus dorsi, erector spinae, biceps, and triceps lower body: quadriceps, hamstrings, gastrocnemius, gluteus, soleus describe muscle organization from smallest to largest functional unit. Identify the components of the contractile unit. Answer the sarcoplasm is the cytoplasm of the muscle fiber hundreds of myofibrils dominate sarcoplasm. molecular level: actin ...

Which of the following is the largest? a. myofilament b. myofibril c. muscle cell d. fasicle correct answer: muscle cell muscle cells correct answer: Shorten to cause movement of the body. They move the skeleton, heart, and internal organs Sacrolemma correct answer: muscle cell membrane scaroplasm correct answer: cytoplasm of a muscle cell sarcoplasmic reticulum (SR) correct answer: specialized smooth endoplasmic reticulum, which stores, releases, and retrieves Ca++ wha...