Discuss why fast glycolytic fibers have more glycogen stores than slow oxidative 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: What are two roles of ATP during muscle contraction?

A: Muscle contraction is either increase in muscle tension or a decrease in the muscle length. Muscle…

Q: ) Calculate the approximate net yield of ATP during the aerobic conversion of 2 glycerol to 1…

A: NADH and FADH2 molecules are usually stated known as that they are about to procedure produced by…

Q: Draw a figure illustrating the relationship between ATP and creatine phosphate, and explainthe…

A: Unlike aerobic and anaerobic metabolic pathways, there are still many other pathways that have…

Q: For the skeletal muscle, hydrolyzation of ATP: Group of answer choices At the myosin head gives rise…

A: The contractile proteins that are involved in muscle contraction are myosin and actin. The two…

Q: The intercellular lactate shuttle refers to... Cytosolic lactate being transported into the…

A: Glucose is metabolized through glycolysis to synthesize energy. Pyruvate is the end product of…

Q: How long can glycolytic catabolism fuel muscle activity?

A: Catabolism can be defined as the type of metabolic activity in which the molecules break into…

Q: . Predict the shape of an active tension curve for visceral smooth muscle.How does it differ from…

A: Smooth muscle, so-named because the cells do not have visible striations, is present in the walls of…

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: Select the best answer or answers from the choices given: During muscle contraction, ATP is provided…

A: Adenosine triphosphate (ATP) is the energy molecule that helps store and transfer the energy in the…

Q: A student athelete measured his running performance on a treadmill and found the following data: 15…

A: There are two main types of skeletal muscle fibers. They are type I (slow-twitch muscle fibers) and…

Q: Describe the lactate shuttle, with examples of how it is used during exercise.

A: Answer: Introduction: Lactate shuttle (LS) is a concept it means the lactate has role in transport…

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: Striated muscle twitch force reaches a maximum after nearly all of the calcium is pumped out of the…

A: The correct answer is:D.) Calcium is the initial switch to turn the actin thin filament on and then…

Q: Fast-twitch muscle fibers have fewer mitochondria and less myoglobin to store oxygen than…

A: Aerobic respiration is the cellular respiration which occurs in the presence of the oxygen  where as…

Q: When fatigue occurs, ATP is still present in the cell. What is the explanation for this?

A: Adenosine Triphosphate or ATP is the principal substance for storing and sending energy in cells. It…

Q: If a competitive inhibitor of pyruvate kinase were introduced into a muscle cell, which of the…

A: Compititive inhibition is a process where molecules are very similar chemical structure to substrate…

Q: What is the function of myosin light-chain kinase in smooth muscle?

A: The muscular framework is an organ framework comprising of skeletal, smooth and heart muscles. It…

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: Match types of fibers with their description. These fibers possess large number of mitochondria and…

A: The three forms of muscle fibre are fast oxidative, fast glycolytic, and slow oxidative. Because…

Q: When ATP levels return to normal after intense muscle activity, is creatine predominantly…

A: During intense muscle activity excess and immediate amount of ATP is required, in this case the…

Q: Define and describe the function of slow oxidative myofibers.

A: Myofibers are the basic contractile unit of muscle tissue, and each myofiber is composed of many…

Q: Muscle contraction involves a protein conformational change called the power stroke. Where…

A: Each myosin motor protein possesses ATPase activity and functions in a cyclical manner that couples…

Q: Give some characteristics of collagen fibres.

A: Collagen fibers are the main structural protein in the extracellular matrix in the various…

Q: What happened to your energy & ability to pinch the clothespin as you progressed through each trial?…

A: As per our guidelines we are not allowed to answer more than one question at a time please ask rest…

Q: How do muscle cells continuously synthesize ATP?

A: BASIC INFORMATION  MUSCLE It is a type of soft tissue which are found in most of the animals. The…

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: Why is smooth muscle shortening much slower than in skeletal muscle?

A: Muscles are soft tissues found in the body, composed of actin and myosin proteins. These are…

Q: Label the molecular components of the myofilaments from a close up view of a model of a relaxed…

A: Sarcomere: A sarcomere is the essential contractile unit of a muscle fiber. A sarcomere is made out…

Q: high levels of Pi and no other metabolites, what would you observe

A: Muscle fatigue is a common complaint in clinical practice in humans. Muscle fatigue is known as an…

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: What is the normal end product of anaerobic exercise in muscle?

A: An anaerobic exercise is a form of exercise that uses no oxygen to break down glucose in the body.…

Q: Which of the following is true about pathways? Fatty acid synthesis is the direct reversal of fatty…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Describe the two mechanisms by which muscle glycogen is broken down to glucose (glycogenolysis) for…

A: The question is to discuss two mechanisms by which muscle glycogen is broken down to glucose…

Q: What would be the ATP yield per molecule of glucose in the muscle if glycogen were the source of the…

A: When the body runs out of glucose which is the most staple substrate for energy production, stored…

Q: Outline the signal- transduction cascade for glycogen degradation in muscle.

A: Glycogen is stored form of carbohydrates in mammals. Glycogen serves as a fuel during exercise.…

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: Explain the reason for each of the four treatments in the RICE approach to muscle injuries?

A: Muscles are the prime organs of the body’s muscular system and there are three categories of…

Q: Muscle protein, fat, and glycogen are all reservoirs of energy. In what order are they used during a…

A: Fat metabolism is initiated when triglycerides that are ingested got broken down into small fatty…

Q: As early as the 1930s, it was known that frog muscles could still contract when glycolysis was…

A: carbohydrate metabolism was the fundamental biochemical process which supply energy continuous to…

Q: List and describe the 3 pathways for ATP regeneration. Be sure to include the source, how much ATP…

A: Exercises such as walking, running, or weight training, as well as sports, are examples of physical…

Q: Discuss the metabolic pathways of ATP production in skeletal muscle in terms of timing, mechanism,…

A: Muscle ATP stores are limited, metabolic pathways must be triggered to keep ATP resynthesis rates at…

Q: Skeletal muscles would be expected to contain large numbers of ————— because of their high energy…

A: Skeletal muscles are specialized contractile tissue found in animals. they are found between bones…