Myofibrils - Study guides, Study notes & Summaries

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 ...

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...

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...

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:** ...

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...

Kinesiology Midterm Exam 2024 Questions and Answers Dependent - Answer-requiring some assistance exacerbation - Answer-increase in the severity of a disease or its symptoms Graft - Answer-tissue or organ for transplantation or implantation Hemiplegia - Answer-paralysis of one side of the body Ipsilateral - Answer-same side Contralateral - Answer-opposite side mobility - Answer-ability to move with ease orthostatic hypotension - Answer-fall in blood pressure Osteoporosis - Answer-loss o...

WVU Biology 102 Exam 5 Questions and Answers Already Passed What are the functional units of the nervous system? neurons Basic structure / function of the neuron - dendrites, cell body and axon. Dendrites- receive impulses from the synapses of other Axon- place along which the message is sent. Long rope like object. Myelin Sheath- cover around the Axon, increases the speed of the message sent. What happens during an "action potential"? Sodium (Na) start out and then rushes in- ...

Bio 254 Exam 2 Questions and Answers 100% CorrectBio 254 Exam 2 Questions and Answers 100% CorrectBio 254 Exam 2 Questions and Answers 100% CorrectBio 254 Exam 2 Questions and Answers 100% Correct how do muscles get ATP -ANSWER creatine phosphate for quick ATP glycogen for anarobic myoglobin for aerobic which cell types are capable of mitosis -ANSWER osteogenic cells what are myofibrils made of -ANSWER thick and thin filaments what are thin filaments made of -ANSWER tropoin and tro...

Which of the following is a recognized function of skeletal muscle? 1) A) guard body entrances and exits B) maintain posture C) maintain body temperature D) produce movement E) all of the above E Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the A) myofibrils. B) sarcolemma. C) endomysium. D) sarcomere. E) perimysium. E Which of the following best describes the term sarcoplasmic reticulum? A) largely made of myosin 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...