What are myofibrils - Study guides, Class notes & Summaries

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...

EXPH 386 Exam 3 Latest Update Graded A+ coordination and integration of the muscles of the body together with the nerves that supply them Neuromuscular system Cell body (soma) action dictates the critical firing rate of the action potential Cell body (soma) contains what structures involved in replication and transmission of the genetic code Are larger cell bodies (somas) associated with higher or lower critical firing rates? higher short neural branches that receive impulses...

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...

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...

What are the vessels that bring blood back to the heart? - ANSWERS: Superior and inferior vena cava what chamber of the vena cava go into? - ANSWERS: right atrium what determines heart rate? - ANSWERS: SA Node where is the SA node located? top of right atrium below where the superior vena cava comes in - ANSWERS: what structures are the end of cardiac cells joined at? - ANSWERS: Intercalated disks what is a desmosome? - ANSWERS: contained in intercalated disks - collagen fibers...

Biology 235 Physiology - Exam #2 Questions With Verified Answers What are the three types of muscle tissue? - answer1) Skeletal muscle 2) Cardiac muscle 3) Smooth muscle What are the characteristics of skeletal muscle? - answer- Long, cylindrical cells - Multinucleate - Striated with numerous fine bands - Voluntary - Neurogenic, it requires a nerve to stimulate it What are the characteristics of smooth muscle? - answer- Spindle shapes - Flat and unstriated - Single nucleus - Involun...

ISSA Final Exam Questions and Answers 2023 The human body consists of? chemicals, cells, tissues Metabolism can be categorized in the following? catabolism, anabolism BMR Stands for ? basal metabolic rate A 30 minute jog would rely most heavily on which energy pathway? oxidative What is the automatic tendency to maintain a relatively constant internal environment called? homeostasis About 98% of the human body is composed of only six elements: oxygen, car...

skeletal, cardiac, smooth correct answers what are the different types of muscle? cardiac, smooth correct answers which muscle types are involuntary? ans correct answers the cardiac and smooth muscle types are regulated by ... skeletal correct answers which muscle types are voluntary? cns correct answers the skeletal muscle type is regulated by ... tendon correct answers connects muscle to bone epimysium correct answers connective tissue that surrounds entire muscle endomysi...

What are the three layers of connective tissue and the location of each? correct answers 1. Epimysium: around the entire muscle (outer) 2. Perimysium: surrounding individual bundles of muscle fibers (middle) 3. Endomysium: tissue between individual fibers (inner) (All wrapped inside the fascia) What do muscle fibers contain? correct answers Bundles of muscle fibers (called fascicles) which contain myofibrils (inside fiber) with the contractile proteins actin and myosin. Fascia correct ...

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...