Embryonic myoblasts fuse to form single muscle fibers during development; thus skeletal muscle cells are multinucleated. True or False True False

Q: Multiple Choice gap junctions that connect neurons to smooth muscle cells. varicosities of a…

A: Smooth muscles as the name imply, are smooth in appearance with no striations. These are also…

Q: Light less dense area of sarcomere that contains reminder of thin filaments but no thick filaments…

A: SARCOMERE It is the complicated unit of striated muscle tissue. It is the repeating unit between two…

Q: Men are generally stronger than women because they typically have larger bodies, and a more…

A: Introduction  Muscles are a type of tissue that enables movement in the body. They are responsible…

Q: A mutation in troponin that increased its affinity for its ligand would lead to

A: Troponin protein helps to make muscle in rest Condition with the help of tropomyosin protein

Q: True or False? Rigor mortis is characterized by continued attachment of myosin heads to actin…

A: Even after death, in absence of oxygen the body may continue to produce ATP via anaerobic…

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: Troponin C has been mutated such that it cannot bind to calcium. Describe the effect of this…

A: Troponin C (TnC) is the metal-binding supermolecule monetary unit that initiates the sequence of…

Q: Elite sprinters have a high concentration of muscle fibers with the fastest cross-bridge cycling and…

A: Different kinds of muscles are present in the body, which help in locomotion and movement. These…

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: Skeletal muscle cell(key terms: striated, contracting proteins, contractions, nucleus location) This…

A: Skeletal muscle cells are the cells that help us move and are compartmentalized in the body into…

Q: A muscle cell dies, so that there is no ATP left in the sarcoplasm.  However, there is lots of Ca2+…

A: Rigor mortis is the stiffening of a dead body after hours of death. The word translates into…

Q: similar to peak bone mass: approximately 30 Similar to menopause: approximately 50 Into the 60's…

A: Muscle hypertrophy is the natural phenomenon of an increase in muscle mass. The decline in muscle…

Q: The flushed appearance of skin is due to the hemoglobin in blood. True False

A: Tissue is a part of structural organization of the body which is formed of various cell . Tissue is…

Q: In both smooth and skeletal muscle calcium must be actively transported out of the fluid surrounding…

A: As per our honor code, we are authorized to answer only one question at a moment. As you have not…

Q: Identify the structures within this sarcomere. A band M line Z line Myosin H zone I band Actin H |||

A: MUSCLE CONTRACTION-When you perform an activity, your muscles are tightened, lengthened, or…

Q: What happens as a result of the movement of tropomyosin? O Calcium is pumped into the sarcoplasmic…

A: The sliding filament theory is proposed to explain the mechanism lying in the contraction of…

Q: True or False: Smooth muscle cells are long, cylindrical cells, each containing many nuclei located…

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

Q: What cells come between mesodermal cells and the muscle fiber in the stages of skeletal muscle…

A: The embryonic mesodermal germ layer give rise to the muscle tissue, except the piloerector muscles,…

Q: Your unfortunate friend Greta has a condition where her Ca2+-ATPase works too fast. She comes to…

A: Calcium ions (Ca2+) play a crucial role in muscle contraction. They are stored in the sarcoplasmic…

Q: Calcium is the trigger for contraction of all muscle types. How does its binding site differ in…

A: In the human body, there are three types of muscles, skeletal muscles, cardiac muscles, and smooth…

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: Describe the relationship between non -muscle myosin ,actin and growth cone extension.

A: When cells receive and react to signals from other cells to support various bodily activities, such…

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: True/False

A: Every living organisms try to maintain a constant homeostatic internal environmental conditions that…

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: The binding of myostatin to its corresponding receptor on the plasma membrane of cells leads to…

A: The body is made up of large amount of muscles. These muscles are responsible for generating heat…

Q: Fill in the blank using information available from the diagram above: With every action potential…

A: Various steps during the contraction of a muscle fiber include- - Arrival of a nerve impulse to a…

Q: Rising sarcoplasmic calcium levels results in contraction in both smooth muscle fibers and skeletal…

A: Muscle is a soft tissue that contains protein filaments that help in the contraction and provide…

Q: An explanation leading to the correct answer would be helpful! Scenario: Your friend Arnold S, who…

A: Weightlifting is a popular and effective form of resistance training that plays a pivotal role in…

Q: Comparative characteristics of somatic, smooth and cardiac muscles. SOMATIC SMOOTH HEART (STRIATED)…

A: Connective tissue is one of the four types of tissues present in our body. Muscle tissue is a type…

Q: T-tubules are invaginations of the sarcolemma of a muscle cell. True or False True False

A: The skeletal muscle cell (myocyte) contains sarcoplasm surrounded by sarcolemma. It comprises…

Q: Skeletal muscle fibers regularly divide by mitosis. True False

A: Muscle tissues are are the types of tissue which have proficiency to extend  , relax , possess…

Q: Contractile muscle cells cannot be created in culture.     True     False

A: Contractile muscle cell present in body as a skeletal muscle, smooth muscle and heart muscles. The…

Q: which type of muscle fibers is ATP synthesized aerobically in mitochondria?…

A: Source of energy which is utilized to power the movement of contraction in working muscles is…

Q: In myogenesis, the assembling sarcomeres are integrated with the extracellular matrix (composed of…

A: Myogenesis is the process of development of muscular tissue during embryogenic development.

Q: Skeletal muscle cells have the ability to do all of the following EXCEPT _____.     activating…

A: Skeletal muscle is a type of three major muscle types, the others being cardiac muscle and smooth…

Q: Cardiac muscle differs from smooth and skeletal muscle because.... It is composed of long and…

A: Our body will depends on our muscles to move and carry out a number of different functions.…

Q: Indicate whether the sentence is True or False During the cross-bridge cycle, ATP binding to myosin…

A: Repeated relaxation and contractions in Skeletal muscles are responsible for the movement and…

Q: Ca2+ does not play a role in muscle relaxation true or false

A: The muscle contraction occurs due to the introduction between active and Mauritius in filaments in…

Q: In what position is the biceps brachii most likely to make the most amount of tension when…

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

Q: // A mutation has occurred in a mouse's myosin II gene making it non-functional. Name all that are…

A: Contractile ring contain filamentous actin and myosin II motor protein. RhoA is responsible for…

Q: Activation of the myosin head is required for contraction and uses one ATP per cross-bridge cycle.…

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

Q: Electrical stimulation of skeletal muscle at 5Hz results in a single muscle twitch. Define the…

A: Tetanus is also called by other names such as tetanic contraction, physiologic tetanus and tetanized…