Order the following structures from largest to smallest: Myofibril; Biceps; Muscle fiber; Sarcomere Biceps; Myofibril; Sarcomere; Muscle Fiber Biceps, Myofibril; Muscle fiber; Sarcomere Biceps; Muscle fiber; Myofibril; Sarcomere Muscle fiber; Biceps; Myofibril; Sarcomere

Q: Match each protein with the appropraite myofilament

A: The sliding filament model, developed by Hugh Huxley and Jean Hanson and Andrew Huxley and Ralph…

Q: Even though calcium is removed from troponin and tropomyosin, please describe in detail what else…

A: The events that result in the contraction of human muscle fiber starts with the signal by a…

Q: During a single muscle twitch, the sarcomeres within a muscle contract maximally. How can you…

A: A contraction of muscle fibers generate when an action potential pass down the motor neurons. A…

Q: What is migrating myoelectrical complex (MMC)?

A: At fasten time, The contraction of muscle in stomach and in small intestine to clean the residual of…

Q: What are the three functional types of proteins found in a myofibril?

A: A muscle fiber is made of many Myofibril and myofibrils are made of many myofilaments. Myofibrils…

Q: Explain with diagram Transverse tubules and sarcoplasmic reticulum in a single skeletal muscle…

A: A muscle is an animal tissue and composed of muscle cells. These cells consist of protein filament…

Q: In the numbered list below, what are they in order from largest to smallest? 1. Myofilaments 2.…

A: Tissue is the next level organization of the cells. There are 4 different types of tissue are…

Q: If an athlete increases their strength capability by 15% and their body mass by 20%, their ability…

A: Muscle contraction Muscle contraction is defined as the shortening or stretching of muscles while…

Q: Order the steps of the sliding filament model from beginning (contracting) to ending (relaxing).…

A: Muscle contraction involves nerve stimuli and action potential. The contraction cycle is powered by…

Q: describe the events that lead to muscle contraction starting at the level of the neuromuscular…

A: Muscle contraction occurs when these are initiated by a nerve signal. This is triggered by…

Q: Identify the structure highlighted in green: 三三園 Sarcolemma Myofibril Sarcoplasm

A: The image given is of  excitation-contraction coupling mechanism in skeletal muscle.

Q: Name the stages of sliding filaments in order. Briefly explain each.

A: Sliding filament refers to the theory that describes the contraction of muscles involving actin and…

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: Match the word in the word box with the following definition this type of stretching involves…

A: Stretching is a form of activity necessary for body movement. This has various phases and forms. It…

Q: Do both smooth and skeletal muscles use the sliding filament theory?

A: The mechanism of contractions of skeletal muscle was best explained through 'sliding filament…

Q: Label the structures of the myofibril model shown with overlying sarcoplasmic reticulum. Transverse…

A: Muscular system is a type of body system which is involved in contraction and relaxation so as to…

Q: What is the difference between a myofilament and a myofibril?

A: The muscle is a soft tissue that is highly specialized in creating stress, resulting in strength…

Q: Which of the following is the smallest: muscle fiber, thick filament, or myofibril? Which is…

A: Myofibrils are made up of small structures known as Myofilaments. There are basically two main kinds…

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: describe the physiological properties that all muscletypes have in common;

A: Muscles are classified into various types based on their structures, locations, and ability.

Q: (a) What are myofibrils? (b) Which components of the sarcoplasm separate the myofibrils in a fiber…

A: The three muscle types in the human body are skeletal, smooth, and cardiac muscle. Skeletal muscles…

Q: How does speed of muscle action affect the following relationships; force-velocity and force-power?

A: Muscle action : There are three types of muscle contractions i.e. concentric, isometric and…

Q: what is a myofibril

A: To describe: To describe myofibril and its structure.

Q: A muscle fiber is the same thing as a: a) myofibril. b) myocyte. c) myofilament. d) fascicle.

A: MUSCULAR TISSUE:- These tissues are different from other tissues as they have the ability to…

Q: Define myofibril

A: The muscular system is one of the vital systems of the body. It collaborates with the skeletal…

Q: Compare and contrast myofibrils and myofilaments.

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and…

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: The following are the basic steps of a muscle contraction:               I.  Neurotransmitters bind…

A: Muscle tissue is responsible for movement. There are found three types of muscles: Skeletal,…

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: How does the cross-bridge result in thin filaments sliding over thick for contraction? Use key…

A: As Cross-bridge is formed myosin head is locked tightly on to an actin filament. Binding of ATP to…

Q: Describe how muscles generate different levels of contractive force

A: Muscles are referred to as soft tissues present in the body composed of protein known as actin and…

Q: Which of the following sites is not a site of muscle attachment? Greater trochanter, lesser…

A: The skeletal muscles attach to the bones or muscles at various sites called origin and insertions.

Q: If Ca2+ pumps of the sarcoplasmic reticula fail to function, what will happen to the tension…

A: Muscle is a soft tissue like structure which is primarily responsible for the movement in the body.…

Q: Provide the levels of biological organization in a muscle.

A: Muscles are a type of soft tissue that are responsible for movement and the maintenance of posture…

Q: Describe the structure of myosin molecules and how theycombine to form a myosin myofilament

A: The myofibrils are comprised of actin (thin filament) and myosin (thick filament). Muscle…

Q: Which ion starts the muscular contraction by binding to myofilaments? Potassium Chloride Calcium…

A: The muscular system whose origin can be traced to the middle germ layeris responsible for the…

Q: What is the difference between a muscle organ, a muscle fiber, a myofibril, and a myofilament?

A: Introduction :  A tissue that aids in the movement of different bodily components is called muscle.…

Q: Choose the best description of how myosin and actin are arranged within the two types of protein…

A: In order to facilitate movement, muscles are attached to bones. They function by shortening…

Q: State the function of myofibrils.

A: Muscle is a soft tissue observed in maximum animals. The characteristic of muscle is to provide…

Q: Identify the significance of the following molecules/substances in muscle contraction. Actin…

A: Each of the muscle fibers are made up of even smaller fibers called as myofibrils. These myofibrils…

Q: What is the sliding filament theory? How do components of the sarcomere change during a muscle…

A: Muscle is a form of contractile tissue that is arranged into systems in order to maximize…