Smooth muscle cells have , whereasskeletal muscle fibers do not.a. sarcoplasmic reticulumb. tropomyosinc. calmodulind. Z discse. myosin ATPase

Q: In tonic smooth muscle that contracts continuously for long periods, the highly efficient "latch…

A: Smooth muscles are unstriated and involuntary muscles. They are present in viscera such as GIT,…

Q: The Sarcolemma in skeletal muscle is OA. Equivalent to the cell membrane which covers the entire…

A: There is muscle tissue throughout the body. The muscles affixed to the skeletal system are referred…

Q: The cross bridges of the sarcomere in skeletal muscle are made up of                 A. myelin.…

A: Introduction:-  Muscles are delicate tissue present in most animals . These contain filaments like…

Q: Single-unit smooth muscle cells can stimulate each other because they have:|- a. pacemakers. b.…

A: Smooth muscles are involuntary in nature and non-striated muscle cell which lines the inner side of…

Q: What property do all muscle tissues have in common?a. composed of collagen and elastin filamentsb.…

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

Q: Which region of the sarcomere does not change length between muscle relaxation and muscle…

A: Muscle is a kind of tissue as it is made up of group of cells. It is one of the four kind of primary…

Q: Stimulation of a muscle fiber by a motor neuron occurs ata. the neuromuscular junction.b. the…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: During muscle isometric tension, the maximum tension occurs when: O a. There is no overlapping…

A: Isometric contraction occurs when muscle length remains relatively constant as tension is produced.…

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: Which of the following statements about the microscopic structure of smooth muscle fibers is…

A: Muscles have a vital role in the body. Muscles do a lot for our bodies as well. They circulate blood…

Q: Considering the force of contraction of a skeletal muscle fiber,wave summation occurs because ofa.…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of myosin and…

Q: The protein whose removal enables myosin to bind actin in smooth muscle is: (pick one from 1-5).…

A: Smooth muscle: Smooth muscle is present throughout the body, where it serves a variety of functions.…

Q: This muscle type is described as interconnected, connecting as one. a. skeletal O b. visceral O c.…

A: Muscles are delicate tissues. Numerous stretchy fibers make up your muscles. Every human have more…

Q: muscle spidnles are _____ receptors and provide ____ information, whereas golgi tendon organs…

A: The majority of skeletal muscles contain this stretch receptor, which is widely distributed. When a…

Q: Which of the following is arranged in order from smallest tolargest?a. Motor unit < sarcomere…

A: When a nerve impulse travel to the muscle contraction that is an action potential causes the muscles…

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: According to the sliding filament model, when muscles contract,a. sarcomeres shorten.b. myosin heads…

A: Answer is option e.

Q: There are 3 types of muscle... skelatal, smooth and cardiac. What type of contraction are they…

A: The skeletal muscles are the voluntary (control by our own will) whereas the smooth and cardiac…

Q: On a microscopic scale, explain how muscle fibers move in order to make a muscle shorter? Explain…

A: The cellular respiration provides energy (ATP) for the muscle contraction and The nervous system…

Q: During muscle contraction, the I band a. hides the H zone. b. shortens or narrows. c. overlaps the Z…

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

Q: After learning about muscle fiber types in his anatomy and physiology class, Alex started to notice…

A: The skeletal muscles of the organism assist them in performing voluntary movements. In Turkey's…

Q: Arrange the steps of muscle innervation and contraction in response to touching a hot plate.…

A: Sensory neurons(afferent neurons) are defined as the type of nerve cells where they get activated…

Q: Fast-twitch muscle fibers are also called type ________fibers and slow-twitch are called type…

A: There are two types of skeletal muscle fibers - fast twitch and slow twitch.  Fast twitch muscles…

Q: The actual contractile units of muscle, called _____, extend from middle of one _____ to middle of…

A: Muscles are referred to as the soft tissue of the body, contraction, and relaxation of the muscle is…

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: Muscle contractions where the muscle shortens but tension remains constant are called A. isometric…

A: Muscular system is a type of body system in which regular contraction as well as relaxation leads to…

Q: Contraction of muscle fibers in skeletal muscle is initiated by the uptake of calcium by the…

A: Movement refers to any change in body position. It is a fundamental characteristic of living beings.…

Q: How is the list below to be properly put in order to describe a muscular contraction?

A: Muscle contraction can be defined as the activation of tension-generating sites that are present…

Q: In what ways does the neural control of smooth muscle activity differ from that of skeletal muscle

A: Skeletal muscle and smooth muscle are two types of muscles in the body with distinct roles and…

Q: What causes relaxation in a skeletal muscle fiber Select one: a. Myosin remains attached to actin b.…

A: Each skeletal muscle is an organ that consists of various integrated tissues. These tissues include…

Q: which of the following statement is true?  a. Fast fibers have difficulty fatiguing  b. Fast…

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

Q: The functional unit of a muscle fiber is the, a segment from one Z disc to thenext.a. myofibrilb. I…

A: Z-discs (Z-disk, Z-line, Z-band) are the smallest functional units in striated muscle, defining the…

Q: The structure (a specialized synapse) that allows neurons to control our skeletal muscle fibers is…

A: Neuromuscular junction

Q: In a skeletal muscle if calcium levels in the cytosol increase, as calcium is released from the…

A: Skeletal muscle can be outlined as the muscles of the body that are voluntary in action. They are…