Heavy chains of myosin Study guides, Class notes & Summaries

what does the SR store - ANSWER-proteins and calcium what is the role of the transverse tubules in the muscle fiber - ANSWER-allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - ANSWER-from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - ANSWER-thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere & what color is the band - ANSWER-thick filaments ...

GMS 6474 Questions and Answers Rated A+ Lecture 2 Muscles can either be ____ or ____? 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? FALSE! what two factors determine the force pro...

GMS 6474 Exam Questions and Answers 100% Correct Lecture 2 Muscles can either be ____ or ____? - Answer- 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? - Answer- How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? - Answer- Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? - Answer- FALSE! what tw...

what does the SR store - proteins and calcium what is the role of the transverse tubules in the muscle fiber - allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere & what color is the band - thick filaments thin filaments dark (scatters lig...

GMS 6474 Exam Questions and Answers 100% Correct Lecture 2 Muscles can either be ____ or ____? - Answer- 1. Voluntary 2. Involuntary What is one question to ask when comparing voluntary to involuntary muscles? - Answer- How is the underlying tissue metabolized? Cardiac functional syncytial vs smooth muscle functional syncytial? - Answer- Cardiac - pacemaker cells cause contractions Smooth - vasodilation/vasoconstriction True/False: Smooth muscle has striations? - Answer- FALSE! what tw...

function of muscles correct answers are for body movement, maintenance of posture, respiration, production of body heat, communication, constriction of organs and vessels, heart beat. skeletal muscles correct answers - are primarily voluntary by somatic motor neurons which are multinucleated. It also functions for your respiratory system when it moves air in and out of the body and moves blood back to our heart. MULTINUCLEATED. - are usually attached to bones by tendons, the origin of the mu...

Which of the following valves directs blood flow from the left atrium to the left ventricle? A. Mitral B. Tricuspid C. Aortic D. Pulmonic - Answer-A. Mitral The layer of squamous cells that lines the cardiac chambers and valves is called the: A. myocardium B. endocardium C. epicardium D. Pericardium - Answer-B. endocardium How much does the atrial kick increase the blood volume? A. 5%-10% B. 10%-15% C. 15%-20% D. 20%-25% - Answer-C. 15%-20% Which of the following waves corresponds...

GMS 6474 final exam questions and Answers 100% correct what does the SR store - Answer- proteins and calcium what is the role of the transverse tubules in the muscle fiber - Answer- allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - Answer- from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - Answer- thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere...

1.Nuclear pores: A)Combine to form a hexagonal structure B)Have 50nm in diameter C)Their number is not connected with cellular activity D)Nuclear lamina are connected to their inner rings E)A and C are correct F)B and D are correct - Answer- E)A and C are correct The conducting zone of the respiratory system: A) Includes the upper airways, trachea and the bronchial tree (including the terminal bronchioles) B) Is designed for airflow and respiration C) Includes only the nose and the p...

GMS 6474 final exam questions and Answers 100% correct what does the SR store - Answer- proteins and calcium what is the role of the transverse tubules in the muscle fiber - Answer- allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - Answer- from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - Answer- thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere...