Which of the following statements about the connective sheath of skeletal muscle is true? a. the endomysium wraps around every single muscle fiber b. the perimysium wraps around groups of muscle fibers c. the epimysium wraps around the whole muscle organ d. all of the above e. none of the above

Q: 33. Which of the following sentences is NOT correct? A. Cancellous bone (trabecular) is spongy bone…

A: A bone forms a part of the vertebrate skeleton in animals. They protect the various organs of the…

Q: 8. Assuming two skeletal muscle fibers have the same myosin ATPase activity, and both are producing…

A: Isotonic contraction :- During isotonic contraction of muscle, same tension maintained while the…

Q: 1. what are the different fiber types present in human muscle? 2. what fiber type supports endurance…

A: Human muscle fibers are categorized into different types based on their physiological and metabolic…

Q: Explain the difference between a single muscle fiber contraction and a skeletal muscle contraction…

A: When an Action Potential travels along the Nerves to the Muscles, a Muscle Contraction is triggered.…

Q: Which of these increases the least as a result of muscle hypertrophy?a. number of sarcomeres d.…

A: Muscle hypertrophy means increase in the size and strength of the muscles. This in turn results in…

Q: Which of the following choices is CORRECT? A Myofibrils extend the length of a muscle fibre B.…

A: In muscles the sarcomer is termed as the fundamental unit. The sarcomer helps in the contraction.…

Q: The release of which of the following minerals from muscle cell storage sites stimulates muscle…

A: Sarcoma muscles store calcium in sarcoplasmic reticulum. It gets released when a muscle cell or…

Q: Define sarcomere. Describe its components and its role in muscle contraction

A: A muscle usually contract together to produce a force. A muscle comprises of the fibers of muscle…

Q: Compare and Contrast the composition and function of the three different types of muscle fiber and…

A: The three types of muscle fiber are slow oxidative (SO), fast oxidative (FO) and fast glycolytic…

Q: 5. Cardiac muscle cells have the unique ability to demonstrate ________. A. graded strength B.…

A: The heart is a muscular organ liable for maintenance of blood flow. It achieves that work by its…

Q: Which of the following sentences is NOT correct? A. Cancellous bone (trabecular) is spongy bone B.…

A: Among the given statements, the final statement seems incomplete. So I am providing solution…

Q: Which of the following is true concerning the role of Calcium in the contraction of muscle- cells?…

A: A muscle is a smooth tissue in animals. On the basis of structure, contractile properties and…

Q: 25. The combination of alternating dark A bands and light _______________ bands gives a muscle fiber…

A: Introduction  Muscle contraction is the process by which muscle fibers generate tension or force in…

Q: 1. When this is released by the synaptic vesicles, it causes a change in the muscle fiber membrane…

A: The phenomenon of difference in electric potential between the cell’s inside and the cell’s outside…

Q: 9. What are the characteristics of slow twitch oxidative, fast twitch oxidative-glycolytic and fast…

A: Muscle fibers consist of a single muscle cell. They help control the body's internal energy. When…

Q: The action potential of skeletal muscle                 A. is not essential for contraction.…

A: Skeletal muscle fibers are cylindrical, multinucleated, striated, and under voluntary control.

Q: f events wwhići uromuscular ju

A: The physiological process converting an electrical stimulus to a mechanical response is termed as…

Q: 10. Which of the following skeletal muscle fiber structure is not part of the “triad”? a. sarcomere…

A: Muscle tension can be generated without changes in muscle length, for as while holding a heavy book…

Q: 17. Which of the following properties of the structure of skeletal muscle is not true?   A.…

A: The skeletal muscles or voluntary muscles are attached to bones and are involved in locomotion.

Q: Compare the structure and function of skeletal, cardiac, and smooth muscles. Include similarities…

A: Muscle strands are comprised of a single muscle cell. They help to control the actual forces inside…

Q: 24. Which of the following is true concerning the role of Calcium in the contraction of muscle-…

A: A soft tissue derived from the mesoderm layer during embryonic development that functions to assist…

Q: When the length of the muscle stays the same but the force increases during contraction it is…

A: The muscular system of the body is made up of three distinct types of muscle fibers which differ…

Q: The functional unit of a muscle fiber is the, a segment from one Z disc to thenext.a. myofibrilb. I…

A: Z-discs (Z-disk, Z-line, Z-band) are the smallest functional units in striated muscle, defining the…

Q: 19. Which of the following is true about cardiac muscle? A. It is voluntary and striated B. It is…

A: Muscles These are soft tissues. There are three types of muscles in human body. These are: Smooth…

Q: Which level of muscle organization gives meat its grainy texture? a. myofibril b. fascicle c.…

A: Muscles are the soft tissue that is formed mainly of proteins like actin and myosin. They can…

Q: 27- The calcium ions those are needed for muscle contraction are stored in: A. Transverse tubules…

A: The correct option is b sarcoplasmic reticulum Sarcoplasmic reticulum: a smooth endoplasmic…

Q: 1. This type of muscle is controlled involuntarily. A. d - a, b, & c B. c - smooth C. d - b & c…

A: Skeletal, smooth, as well as cardiac are described as the three forms of muscle found in…

Q: Explain the process that occurs to generate a muscle contraction. Name the four major stages and be…

A: Muscles are specialized bodily parts that allow animals to move or locomote. Muscle tissues make up…