Myofibrils - Study guides, Class notes & Summaries

Tissues- what types? correct answers 1. Epithelial 2. connective 3. nervous 4. muscle skeletal system function correct answers 1. protection 2. movement 3. mineral storage 4. production of blood osteoblasts correct answers responsible for bone formation and breakign it down to be re-formed. bone contains what? and heals better than what? correct answers contains blood vessels and heals better than cartilage, which has no bloody supply and needs nutrients to diffuse in axial ske...

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...

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...

Biology 172 UH Manoa Final Exam Questions with Verified Solutions **How do humans detect visual, auditory, olfactory, and gustatory signals?** **Vision:** Light enters the eye and stimulates photoreceptor cells in the retina. Cone cells detect color, while rod cells are responsible for low-light vision. **Hearing:** Sound waves vibrate the tympanic membrane, transmitting vibrations to the cochlea. Hair cells in the cochlea convert vibrations into electrical signals. **Olfaction:** ...

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...

Bio 161 Exam 4 Review with Complete Solutions What is another term for an individual muscle cell? - Answer: Muscle fiber Define fasicle in the context of muscle anatomy. - Answer: A cluster of muscle cells within the core of a muscle. Explain the function of the sarcolemma in skeletal muscle cells. - Answer: The sarcolemma serves as the outer membrane of skeletal muscle cells, maintaining cell integrity and regulating ion movement. Describe the sarcoplasm and its role wit...

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...

Bio 169 (Cardiology and immunity); Questions & Answers 100% Correct papillary muscles Correct answer-extend from the endocardium of both ventricles and are attached to the cusps of the right and left valves right bundle branch Correct answer-is a bifurcation of conduction myofibrils at the interventricular septum that distributes the impulses from the AV bundle to the right ventricle Atrial Tachycardia Correct answer-arrhythmia that usually has a rate between 150-250 bpm and consist of...

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, ...

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...