Discuss why slow oxidative fibers are more fatigueresistant than fast glycolytic fibers.

Q: Contrast the role of Ca2+in the contraction of a skeletalmuscle fiber and a smooth muscle cell.

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: Describe the mechanical and biochemical properties of human skeletal muscle fiber types.

A: The Muscle is a soft tissue that is responsible for producing force and motion facilitated by the…

Q: In relaxed muscle, the myosin-binding site on adin is blocked by ?

A: Step 1 Contractile elements of muscle fibre are myofibrils. They are made up of contractile units…

Q: Discuss the difterences between the three fiber types: slow-twitch. fast-twitch oxidative-glycolytic…

A: There are three types of muscle fibres and all of them differ in their properties hence they are…

Q: Describe the sequence of events by which an action potential in a motor neuron produces an action…

A: Tendons attach skeletal muscles to the bone. Numerous bundles which make up the skeletal muscle are…

Q: Describe how skeletal muscle fiber types influence athletic performance.

A: Skeletal muscles are made up of different types of muscle fibers (cylindrical muscle cell)which…

Q: What happens when theoxygen supply is insufficientto maintain aerobic cellularrespiration during…

A: Cellular respiration is a combination of metabolic reactions that occurs in the cells of organisms.…

Q: Describe the events that result in the relaxation of skeletal musclefibers?

A: A smooth, sustained contraction from the rapid stimulation of skeletal muscle fibers is called…

Q: Describe the structure of the sarcomere and explain how it enables muscle contraction according to…

A: Answer- The sarcomere is the functional unit of the muscle and it has the central role in the muscle…

Q: Briefly discuss the abundance of sarcoplasmic reticulum in skeletal muscle in relation to its…

A: The sarcoplasmic reticulum is the major intracellular organelle for controlling the cytosolic…

Q: During increases in the force of skeletal-muscle contraction, what is the order of recruitment of…

A: Muscle contraction is done when activation of muscle fiber takes place due to the activation of…

Q: Describe the structural features of a neuromuscular junction andthe role of acetylcholine in…

A: Introduction  Complex organisms such as Multicellular organisms needs control and coordination…

Q: Outline the signaling events that lead to resistance training-induced increases in muscle growth.

A: “Resistance training” causes an increase in the size or mass of a muscle. This happens because of…

Q: What are the Regulatory Molecules that mediate exercise-induced changes in muscle?

A: Muscle is soft tissue and consists of protein filaments of myosin and actin. These filaments slide…

Q: Describe the microscopic structure of a skeletal muscle fiber and the arrangement of its contractile…

A: Muscular tissues consist of fibers called muscle fibers that help in the contraction of muscles. On…

Q: skeletal muscle contraction

A: The muscular system is an organ system consisting of skeletal, smooth and cardiac muscle. It permits…

Q: Discuss some of the differences, and similarities if any, of smooth muscle contraction compared to…

A: The organ system that is involved majorly in the movement of the body is known as the muscular…

Q: Discuss ATP-driven myosin movement along actinfilaments.

A: The actin filament is linear globular actin polymer subunits. These occur as microfilaments in the…

Q: Explain differences in mitochondria for the three types of muscle fiber: slow twitch, fast twitch…

A: Muscle fibers are cylindrical fibers composed of myofibrils. They have more than one nucleus and…

Q: List the four primary signal transduction pathways in skeletal muscle.

A: Signal transduction is defined as the ability of a cell to change behaviour in response to a…

Q: Discuss two physiological categories of muscle fibers and their respective advantages?

A: Muscles can be defined as the type of soft tissues which consist of the actin and myosin filament.…

Q: distinguish between two physiological types of musclefibers, and explain their functional roles;

A: Muscle fiber referred to as the muscle cells present within the muscle. They are principally…

Q: What are Regulatory Molecules That Mediate ExerciseInduced Changes in Muscle?

A: Muscle is soft tissue and consists of protein filaments of myosin and actin. These filaments slide…

Q: Describe in details the biochemical and mechanochemical series of events that enables motor neurons…

A: Muscle contraction means activation of tension-generating sites within our muscle cells and the…

Q: • 9. No Ca++ in myofibril; Lots of ATP available • A. Fatigue • B. Normal Contraction • C. No…

A: Muscle contraction and relaxation are associated with intracellular calcium concentration. Calcium…

Q: v a two-state model of a muscle sarcomere - representing relaxed and contracted forms. are your…

A: Muscle fibre consists of A and I bands. These bands are formed due to the regular parallel and…

Q: Give an account of the excitation-contraction coupling (Figure 3) in skeletal Highlight the role of…

A: Each skeletal muscle fiber is a single cylindrical muscle cell. An individual skeletal muscle may be…

Q: discuss the elastic functions of the connective tissuecomponents of a muscle.

A: A tissue is a group of similar cells that usually have a common embryogenic origin and functions…

Q: Describe the contraction of a muscle fiber, starting with what events take place at the…

A: Introduction: Muscle is a mesodermal contractile connective tissue. Muscles contain unique…