Given that the wants to preserve energy supplies that could be needed during high intensity events, what is prefentially used in muscle most of the time to make ATP? Ketones Phosphocreatine Glucose Amino acid Fatty acid

Q: Which of the following summarizes the role of acetylcholinesterase in muscle contraction? O opens…

A: Acetylcholinesterase (AChE) is an enzyme that breaks down the neurotransmitter acetylcholine in the…

Q: In the process of muscle contraction, which of the following steps immediately precedes the sliding…

A: Muscle cells are specialized for contraction. Muscles allow for motions such as walking, and they…

Q: What intracellular protein of smooth muscle cells binds calcium and leads to contraction?…

A: Smooth muscles or involuntary muscles are types of muscles found in visceral organs. These…

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: Actin is sometimes called the "thick" filament. It splits ATP and is responsible for the "power…

A: The movements of different body parts are attributed to the systemic contraction and relaxation of…

Q: Note the color of each three types of muscle fiber: slow twitch, fast twitch oxidative and fast…

A: Slow twitch muscle fibers:  Resistant to fatigue  For sustained,smaller movements and control of…

Q: A motor unit is site of  interaction between a motor neuron and the muscle fiber that it is…

A: Neurons are the specialized cells of the nervous system and are the basic functional unit of the…

Q: Discuss the specific role of ATP in muscle contraction.

A: ATP is Adenosine triphosphate which is also referred as the cellular energy currency.

Q: What best explains the inability to fully contract a muscle when the muscle is first shortened prior…

A: Muscle contains muscle fiber cells which are specialized for contraction. The muscle movement is a…

Q: Which protein is responsible for blocking the myosin binding site to actin, while the muscle is at…

A: Myosin and actin slides onto each and plays a major role in muscle contraction..

Q: The higher the frequency of action potentials, the higher amount of force produced in a muscle.…

A: An action potential is a change in the membrane potential of the neuron. This is caused due to…

Q: Explain the following two statements: Muscles can only actively contract; muscle fibers lengthen…

A: The statements "muscles can only actively contract" and "muscle fibers lengthen passively" are…

Q: Changes in mitochondria, muscle fibers metabolic fuel in response to training

A: Training is a systematic way of enhancing performance over time. Different types of training involve…

Q: Describe the effect of adding salts then ATP, ATP and then salts, and addition of ATP and salts…

A: Glycerianted muscle is the muscle in which calcium ion is not required of its contraction  The…

Q: Type II (fast twitch) muscle fibers contain what properties?    Select 2 correct answer(s)…

A: Skeletal system are the major organ system of the human body that provides framework and structural…

Q: the process of muscle contraction, which of the following steps immediately precedes the influx of…

A: Muscle contraction:-  Is the response  a muscle has to any kind of stimuli where the result is…

Q: distance runners. All of tl igher concentration of gl

A: Elite sprinters make use of type II fibers more than other muscle fibers and are fast glycolytic…

Q: Fast-twitch muscle fibers have which of the following characteristics?a. fewer number of…

A: Fast twitch muscle is a muscle which helps you to do short and quick responses

Q: Recently, it has been observed that several muscle diseases and disorders are linked to problems…

A: Some individuals with inherited genetic mutations are susceptible to malignant hyperthermia. Certain…

Q: In your own words describe how acetylcholine ,calcium,and ATP are involved in the process of muscle…

A: Muscle contraction is a process where tension-generating sites in the muscles fibers are activated…

Q: complete tetanus    Has increased muscle length with no change in tension.   eccentric…

A: The contraction of the muscle generates a force called as muscle tension. There is also generation…

Q: muscle differs from skeletal muscle in: (more than one answer may be correct) Question 6 options:…

A: Smooth muscle are involuntary muscles where as striated muscles are voluntary muscles. Involuntary…

Q: S2

A: We can say that muscular tissue consists of cells called muscle fibers that are specialized for…

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: Which of the following correctly states the importance of an action potential to muscle contration?…

A: Muscle contraction helps in the movement of muscles. It causes the muscle fibers to contract to…

Q: Which ATP-producing skeletal muscle metabolic pathway(s) require(s) oxygen?  Coupled reaction of…

A: Skeletal muscles are the muscles that are attached to bones and are in charge of body movement. They…

Q: Myoglobin provides muscle fibers with a means of supplying ATP anaerobically. True or False

A: The globin is a globular protein that contains heme group and it plays a vital role in binding and…

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: true or fasle :  Eccentric muscle contractions at a constant velocity are be considered isokinetic.…

A: Concentric refers to a muscle that shortens under tension. Eccentric refers to a muscle that…

Q: During muscle contraction, some energy is supplied from creatine phosphate. Which of the following…

A: Muscle contraction occurs when tension-generating sites within muscle cells are activated.

Q: Which of the following summarizes the role of calcium in muscle contraction? opens the binding sites…

A: The actin's active-binding sites are made visible by calcium ions attaching to the protein complex…

Q: Each of the pairs of phrases below describe steps during skeletal muscie contraction. The 2nd phrase…

A: Muscle tissue is a type of tissue which contain actin , Troponin and myosin proteins so as to allow…

Q: In a long period of intense exercise, why does muscle generate ATP anaerobically at first and then…

A: Muscle is one of the four primary body tissues which is mainly responsible for the movement in the…

Q: The human body has mainly two types of muscle fibres: slow-twitch and fast-twitch.  The { slow or…

A: Individual muscle fibres make up skeletal muscles. Not all muscle fibres are the same, much like…

Q: Which one of the following statements is the best description of a motor unit?     A single…

A: Motor unit is defined as a single motor neuron and all of the muscle fibers it innervates.

Q: Which statement or statements describe why depletion of ATP after death leads to rigor mortis?

A: Rigor mortis is the third phase of death. It is one of the unmistakable indications of death,…

Q: We control muscle force using motor unit recruitment. When we recruit more motor units, what is…

A: The process of activating different motor units to achieve a specific level and kind of muscular…

Q: Explain The utilization of energy in muscle contraction – ATP and ADP

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

Q: When electrically stimulating a skeletal muscle and measuring the force of muscle contraction, which…

A: A skeletal muscle needs an action potential to be trigger contraction of the muscle fibers. The…

Q: Which of the following statements is true?     Fast glycolytic fibers have a small diameter.…

A: Fast glycolytic Fibers:  Fast glycolytic fibers, also known as type IIb fibers, are a type of muscle…

Q: Which of the following is NOT an expected change to lactate threshold after 6-months of aerobic…

A: "Lactate threshold is the point during exercise at which lactate (or lactic acid) begins to…

Q: The stage in the thermal changes of the muscle where there is an added amount of heat produced due…

A: During the contraction of muscle, out of the total energy that is released because of ATP hydrolysis…