4. Describe the structure of musculoskeletal muscle. What are the skeletal muscle stem cells responsible for...

4. Describe the structure of musculoskeletal muscle. What are the skeletal muscle stem cells responsible for skeletal muscle regeneration after injury? Use this skeletal muscle stem cells as an example to describe changes of stem cells with aging (5 points)

5. Sexual reproduction is the formation of a new individual following the union of two gametes. Asexual cloning refers to reproduction without the fusion of gametes. Sexual reproduction or asexual cloning, which one is characterized by meiosis? Compare and state the advantage and disadvantage of sexual reproduction and asexual cloning. (5 points)

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1. What is the function of skeletal muscle? 2. Describe the major components of skeletal muscle...

1. What is the function of skeletal muscle? 2. Describe the major components of skeletal muscle cels: Myofibrils Sarcomeres Motor unit Neuromuscular junction 3. How does skeletal muscle produce movement? 4. How do actin and myosin interact in a sarcomere to bring about muscle contraction? What roles do ATP and calcium play? 5. What is the functiion of the sarcoplasmic reticulum in muscle cell contraction? 6. Explain why calcium ions and ACh are vitals for muscle contraction. 7. What is...

Be able to describe the structure of skeletal muscle, the proteins involved, how they contract and...

Be able to describe the structure of skeletal muscle, the proteins involved, how they contract and what leads to the initiation of contraction and relaxation of the muscle. Describe how muscles are named, give several examples of uniquely named muscles. Describe how muscles must work in agonistic and antagonistic ways to support movement. Discuss the different muscle fiber types, and how they contribute to strength and endurance. Describe the other muscle types (cardiac and smooth) compare and contrast the similarities...

Describe in detail as great a detail as possible the mechanism by which skeletal muscle cells...

Describe in detail as great a detail as possible the mechanism by which skeletal muscle cells contract. Start with an action potential arriving at an axon terminal of a motor neuron and end with the completion of a single cross- bridge cycle. Be sure you describe all the events and how the operate, and name all the structures, ions, proteins, molecules involved and explain the role each has. Use proper terminology and explain what is happening at each step. Then...

describe the microscopic levels of the structure in a skeletal muscle I need the good answer

Describe at least FOUR processes in neurons and/or myocytes (muscle cells: skeletal, smooth, & cardiac) in...

Describe at least FOUR processes in neurons and/or myocytes (muscle cells: skeletal, smooth, & cardiac) in which Calcium Ions (Ca++) function as important intracellular secondary messengers. Diagram how calcium exerts its effect on cells in each of these cases (what molecules does it act upon, and what is the result?).

Skeletal muscle: changes that are possible to skeletal muscle and under what circumstances

** Integrative Question: Describe at least FIVE processes in neurons, myocytes (muscle cells skeletal, smooth, &...

** Integrative Question: Describe at least FIVE processes in neurons, myocytes (muscle cells skeletal, smooth, & cardiac), and secretory endocrine glands in which Calcium Ions (Ca++) function as important intracellular secondary messengers. Draw simple diagrams showing how calcium exerts its effect on cells in each of these cases (what cells and molecules does Ca++ act upon, and what is the result?).

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4. Describe the structure of musculoskeletal muscle. What are the skeletal muscle stem cells responsible for...

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