What cells come between mesodermal cells and the muscle fiber in the stages of skeletal muscle development? Describe how several uninuclear cells transform into a multinuclear muscle fiber?
Q: What prevents cross-bridges from attaching to sites on the thinfilaments in a resting skeletal…
A: Muscles are the tissues able to contract in response to stimuli.
Q: Discuss the sequence of events between a Motor Neuron Action Potential and Skeletal Muscle Fiber…
A: The nervous system comprises the brain, nerves and spinal cord. The nerves are responsible for…
Q: Muscle relaxation occurs when ________. a. calcium ions are actively transported out of the…
A: The human body is a well built machine in which all the organs coordinate together to make it work.…
Q: After lactate is produced in the sarcoplasm, where might it go and how might it be used?
A: Two pyruvates are converted to two lactic acid molecules, which ionize to form lactate. In this…
Q: What binding sites do myosin heads contain?
A: The cells of muscular tissue that are known as muscle fibers function in muscle contraction. On the…
Q: What are the detailed structures of the skeletal muscle tissue? Including Fascicles to Myofibrils…
A: Skeletal muscle is an organ of the muscular system and it is one of the chief muscle types in the…
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: Describe how the three types of muscle develop in the embryo?
A: The process of formation and the development of the embryo is called embryogenesis. The developed…
Q: some mesodermal stem cells differentiate into white blood cells muscle cells while others…
A: Stem cells are defined as specialized human cells that have the capability to grow and develop into…
Q: How do muscle cells remain differentiated as muscle cells
A: Muscles are the contractile tissues which bring about movement. Muscle cell responsible for our…
Q: What is the time relationship between a skeletal muscle fiber action potential and the resulting…
A: A skeletal muscle is a part of the “muscular system” of our body. A fiber of a skeletal muscle is…
Q: Which of the following are aspects of the structure of skeletal muscle? Select all that apply.…
A: MUSCULAR TISSUE:- This tissue is different from the rest of the tissue as this tissue can contract…
Q: To which type of EXTRACELLULAR protiens do the intergral protiens attach?
A: The question asks about the integral proteins attached to which type of extracellular proteins.
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: What happens to the I band and H zone as muscle contracts? Do the lengths of the thick and thin…
A: Numerous bundles which make up the skeletal muscle are called fascicles and each of these is…
Q: A human embryo develops with a mutation that prevents smooth muscle from developing in the body.…
A: BODILY FUNCTIONS AFFECTED BY UNDERDEVELOPED SMOOTH MUSCLES ARE DIGESTION, PERISTALSIS, RESPIRATION,…
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: Identify three microscopic components of muscle cells notfound in other types of cells.
A: Myocytes or muscle cells are the cells that constitute muscle tissue. Muscle tissues are responsible…
Q: Explain Molecular Mechanisms of Skeletal Muscle Contraction?
A: The soft tissue-like structure found in the majority of the animals including human beings is known…
Q: During contraction, where does the calcium that binds to troponin come from
A: Muscles are made up of two main protein filaments namely, a thick filament that is made up of a…
Q: An unexpected discovery from studies of ameboid movement is that the same proteins found in the…
A: A crucial characteristic of animals is movement. Animal movement takes place in various forms in…
Q: myofibrils or sarcomeres present in smooth muscle fibers?
A: Myofibrils are the long filaments which are arranged parallel to each other to form muscle fibers.…
Q: Describe the location, structure, and function of the sarcoplasmicreticulum in skeletal muscle…
A: Muscles are required in breathing, talking, running, walking, and for any body movements. Actin and…
Q: What effect does increasing the frequency of action potentials in askeletal muscle fiber have upon…
A: With alternative arrangements of light and dark band, skeletal muscles are striated muscles. They…
Q: describe the structure of vertebrate skeletal muscle, from a whole muscle through individual muscle…
A: Skeletal muscle is a specific contractile tissue found in creatures what capacities to move a life…
Q: What is special about a muscle cell does it possess any unique qualities or organelles?
A: Muscles are derived from the mesodermal layer of germ cells through myogenesis. Three types of…
Q: •What is the role of tropomyosin in muscle contraction?
A: Tropomyosin prevent myosin from continuing to slide up the actin filament.
Q: Sketch a sarcomere, and describe the function of the major proteins involved in muscle contraction.
A:
Q: Define The myosin superfamily in humans.
A: A cell is the basic structural and functional key of life. A cell has multiple organelles that carry…
Q: Diagram the arrangement of thick and thin filaments in a striated-muscle sarcomere, and label the…
A: While muscle contracts the I (isotropic) band and H band shortens .Tge length of each sarcomere of…
Q: Diagram the arrangement of thick and thin filaments in a striatedmuscle sarcomere, and label the…
A: Striated muscles syncytial muscle fibre cells. The membrane is called sarcolemma which invaginates…
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: Where does Ca2+ for contraction come from
A: Epithelial tissue, connective tissue, muscular tissue, and nerve tissue are the four fundamental…
Q: If gene therapy in the future would allow one to artificlally alter the expression of muscle fibers…
A: Given: From the following, we need to arrange the slow-twitch fibers and fast-twitch fibers
Q: Is actin is present in thin filament?
A: The muscles are the components of the body that enable locomotion. The nervous system regulates the…
Q: Provide one difference and one similarity in the process of contraction of smooth, skeletal, and…
A: Muscles are divided into three categories: cardiac, smooth, and skeletal. Cardiac muscle is found in…
Q: What do the calcium ions that are released into the cytoplasm during contraction bind to?…
A: At the point when the muscle is stimulated during contraction, calcium particles are delivered from…
Q: Which type of myosin is found in contractile bundles?
A:
Q: and voltage-gated channels found?
A: Muscle cells, are mostly known as myocytes, they are the cells that make up the muscle tissue.
Q: How do muscle cells remain differentiated as muscle cells?
A: Muscle cells are formed when the fusion and subsequently, the elongation of a number of precursor…
Q: What is the reaction catalyzed by the ATPase domain of myosin?
A: Myosin is a molecular motor responsible for biological motions such as muscle contraction and…
Q: How does the structure of the microfilaments allow for linear contraction of a whole muscle cells?
A: Microfilaments are little, string like protein fibres with a diameter of 3-6 nm. They are mostly…
Q: Which fiber is included in the sarcomeres, ie the contractile units found in muscle fibers?…
A: Muscles These are organs which constitutes muscle fibers or cells. Fibers or cells are specialized…
Q: Draw the structure of skeletal muscle tissue?
A: Skeletal muscle is an excitable, contractile tissue responsible for maintaining posture and moving…
Q: what the Source of energy of actin, myosin and type II muscle fibers?
A: Actin and myosin are two types of proteins that form contractile filaments in muscle cells. Type II…
What cells come between mesodermal cells and the muscle fiber in the stages of skeletal muscle development? Describe how several uninuclear cells transform into a multinuclear muscle fiber?
Step by step
Solved in 2 steps
- What is the micro anatomical arrangement of a skeletal muscle fiber cell?How does the structure of the microfilaments allow for linear contraction of a whole muscle cells?describe the structure of vertebrate skeletal muscle, from a whole muscle through individual muscle cells and subcellular structures down to the proteins involved in muscle contraction?
- Which fiber is included in the sarcomeres, ie the contractile units found in muscle fibers? ___________________Which motoprotein is also there? ___________________ Which fiber is included in the contractile ring that divides the cell into two daughter cells? ___________________ What motoprotein is also there? ___________________ What fiber is included in the mitotic spider that "pulls" the chromosomes to the two daughter cells? ____________________ Which fiber is included in a sperm's tail and which together with a motor protein makes the tail move? ___________________ Which motor protein is also there? ___________________ Which fiber provides support to cells in our skin and if it is mutated can make the skin very sensitive to pressure and touch? ___________________What event causes a troponin-tropomyosin complex to regain its original shape in muscle relaxation? a. stimulation of ACh receptors b. diffusion of Na+ back into transverse tubules c. return of Ca2+ into the sarcoplasmic reticulum d. breaking of the bond with tropomyosinDuring contraction, where does the calcium that binds to troponin come from
- Which region or organelle—cytosol, mitochondrion, or SR—contains the highest concentration of calcium ions in a resting muscle fiber? Which structure provides the ATP needed for muscle activity?Do all three types of muscle: smooth, skeletal, and cardiac use cross bridges for movement of muscles? What about tropinoin and tropomysin? Is it only skeletal and cardiac that utilize these specific myosin and actin components?During evolution, skeletal muscle became adapted to functional de-mands ranging from sudden, withdrawal movements of a startled worm, to the sustained contractions required to maintain mammalian posture, to supporting a long, fast chase across an African savanna. What are some of the fiber types in vertebrate muscle that evolved to support these kinds of activities?