Skeletal muscle cells are a. large multinucleate cells that arise by growth. b. large multinucleate cells that arise by fusion of smaller cells. C. small cells connected by many gap junctions. d. large cells with a single nucleus.

Q: Smooth muscle has actin/myosin, why is it not striated? (consider what striation can provide). What…

A: Types of muscles There are three major types of muscles in humans. These are, Skeletal muscle…

Q: Match the following terms with the correct numbers Muscle cell's cytoplasm A. Epimysium Dense…

A: Cells are referred to as soft tissues present in organisms. These muscles help in the movement of…

Q: What is the role of ATP in muscle function? a. ATP provides energy that enables myosin to form cross…

A: ATP stands for adenosine triphosphate. It is an energy coin of the cell. It is produced in the…

Q: After looking at the muscle tissue samples under a microscope, a classmate claims that they must…

A: Introduction :- Muscle is a type of contractile tissue that is organised into systems for increased…

Q: When skeletal muscle fibers are damaged and die, they may be replaced with dense irregular…

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Q: Which of the following is true? A) Tendons join bone to bone B) Tendons join muscle to bone and…

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Q: Skeletal muscle cells are a. large multinucleate cells that arise by growth. b. large…

A: The skeletal muscle represents one of the major types of muscle tissue, consisting of thousands of…

Q: A thick filament is made up of Select one: a. myosin and regulatory filaments b. actin and…

A: Muscular contraction is caused by the interaction between actin and myosin as they temporarily bind…

Q: What type of cells sit outside the sarcolemma of a muscle fiber but below the basement membrane of…

A: Sarcolemma The plasma membrane of the muscle cell is called sarcoplasm and it is surrounded by he…

Q: Peristalsis is the wavelike, constant, and rhythmic alternating contractions and relaxations of…

A: Peristalsis is the rhythmic movement of the intestinal muscles which results in the movement of food…

Q: Which of the following changes in skeletal muscles is associatedwith aging?a. Muscle fibers increase…

A: Skeletal muscle is one of the three main muscle types, the two others are smooth muscle and cardiac…

Q: A)Fill in the blanks below regarding sarcomeres: In a sarcomere, thin filaments are composed…

A: Sarcomere is the functional unit of striated muscle. Our skeletal muscle is made up of sacromeres .…

Q: Which is the correct order for the development of muscle tissue? a.) differentiation,…

A: Muscle tissue This tissue is made up of thin and elongated cells called muscle fibers. There are…

Q: Tetanus is a disease caused by Clostridium tetani characterized by muscle spasms. Just like the…

A: Both Clostridium tetani and Clostridium botulinum are gram positive, anaerobic, non- motile and…

Q: At low intracellular Ca2+ concentration, _________________ the active sites on the thin actin…

A: Muscular system is one of the body system which aids in contraction and relaxation of muscle so that…

Q: Actin and myosin are long-filament proteins used in the contraction of muscles. They are examples of…

A: Proteins are polypeptide molecules that are made up of amino acids. Amino acids are organic…

Q: Describe the roles of each of the following components of the ECM: a. Collagen fibers b.…

A: Since you have posted a question with multiple subparts we will solve the first three subparts for…

Q: ACh receptors are found in:- a. synaptic vesicles. b. terminal cisternae. c. thick filaments. d.…

A: Acetylcholine is a neurotransmitter in the body that is principally responsible for the relaxation…

Q: property of muscle? a) cells are non- elastic b) cells are excitable

A: One of the four primary types of tissue is formed by the muscle. The three types of muscle tissue…

Q: Muscular atrophy occurs when: A. A patient lacks the coordination needed to walk normally. B. Muscle…

A: Muscular atrophy refers to the loss of skeletal muscle. The atrophied muscle normally smaller and…

Q: 11) Imagine that you go the spa and sit in the dry sauna (where it is very hot) for longer than the…

A: Homeostasis refers to the process of maintaining internal physiological parameters in a changing…

Q: Which characteristic or component is NOT shared by skeletal muscle and cardiac muscle? I. Electrical…

A: There are three types of muscles in the body. Smooth muscles and cardiac muscles are involuntary…

Q: The function of ATP during muscle contraction is toa. cause an allosteric change in myosin so it…

A: ATP(adenosine triphosphate) causes an allosteric change on myosin so it detaches from actin and…

Q: Which cell type helps to repair injured muscle fibers?a. ganglion cellsb. myotube cellsc. myoblast…

A: Muscle fibers, or muscle cells, are formed when the developmental myoblasts fuses together, this…

Q: The Ca2+ required for skeletal muscle contraction, O A. Is released from mitochondria B. Is released…

A: when the nerve impulse is activated that is action potential comes in  muscle contraction…

Q: Mike is in his early 30s and plays softball. He had an injury to several tendons and ligaments. He…

A: Bone, muscle, tendon, and ligament are the different types of tissues. Each tissue is composed of…

Q: 5. fibers are strong but flexible and recoil. 6. The fluid connective tissues are and 7. The main…

A: Tissue: The Tissue is a group of cells that have similar structure and that function together as a…

Q: Please fill in the blanks: 21) the binding of ______________ to troponin removes troponin from…

A: Introduction :- Troponin is a complex of three regulatory proteins (troponin C, troponin I, and…

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: Your optometrist shines a light in your eye and notices your pupil constricts (becomes smaller) in…

A: Answer is c.) smooth muscles.

Q: Which of the following statements correctly describes properties associated with the development of…

A: Skeletal muscle tissue's major function is to move the body by pushing on the skeleton's bones,…

Q: The purpose of transverse tubules is to Select one: a. ensure a supply of glycogen throughout the…

A: Transverse tubules are basically the structures present in the muscles,they are the invaginations or…

Q: 1. David's body temperature rises above normal during the surgery (hyperthermia). How does skeletal…

A: Malignant hyperthermia is a reaction to anaesthetic drugs.   The reaction include: high body…

Q: When ADP and Pi are bound to myosin in the cross-bridge cycle... (MULTIPLE SELECT) A. There is no…

A: The cross-bridge cycle of muscle contraction is the process in which the actin filament and myosin…

Q: consider a muscle cell is changing from relaxation to contraction  1)Is the length of the…

A: Understanding SarcomeresStructure of SarcomeresSarcomeres are the smallest functional units of…

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: Dynein uses ATP to    A. propel axoneme arms together   B. undergoes  confo

A: Protein is known to be a very complex substance. It consists of amino acid residues, which are…

Q: Which statement about the diagram is not correct??  A. The diagram enlarged one myofibril B. This…

A: The muscle fibers are multi-nucleated (exclusively in the case of skeletal muscle fibers),…

Q: As ADP and Ⓟ are released from a myosin head,a. actin filaments move toward the H band.b. a…

A: During muscles contraction, energy for the movement of myosin head is obtained by the breakdown of…

Q: What happens when myosin filaments hydrolyze ATP molecules in muscles?    a. Actin–myosin complexes…

A: The specialised cytoplasm of a muscle fiber is called sarcoplasm which contain fine thread like…

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A: Scaffolds are considered to be the most effective solution for the several challenges imposed in the…