The two panels below are showing the beginning stages of a cross-bridge formation. Compare panel 1 to panel 2. Describe what has happened and how it has changed the postioning of the thin filament. Panel 1 Panel 2

Q: Discuss about sliding-filament

A: Sliding filament theory was put forward by 2 group of workers i.e. A.F. Huxley and ralph…

Q: Why is it logical that there are no muscle fibers classified asslow-glycolytic?

A: There are 3 types of muscle Fibres. Type I= slow oxidative Type II=fast oxidative Type III=fast…

Q: Select the best answer or answers from the choices given: Thick and thin myofilaments have different…

A: The term myofilaments refer to the myofibril filaments composed of proteins. The thick myofilaments…

Q: Define the types and functions of intermediate filaments.

A: Many eukaryotic species contain intermediate filaments as a form of cytoskeletal protein in their…

Q: Each sarcomere contains two sets of thin filaments. What are they? What is their function?

A: The soft tissue-like structure found in the majority of the animals including human beings is known…

Q: description of the observed characteristic of the muscle type in the photo, and observe the muscle…

A: The muscle tissue is a contractile tissue found in animals which aids in different body movements by…

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: 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: Draw and label to show the structure of  1. Striated muscle 2. Smooth muscle 3. Heart muscle

A: Muscle is atissue composed of myofibrils. These are numerous fine fibrils in the muscle tissue.…

Q: Discuss how calcium is a signaling molecule that causes the contraction of the sarcomere.  This…

A: In an eccentric contraction of the skeletal muscle, the muscle lengthens under tension because there…

Q: Sarcomeres that are very long at rest generate low amounts of tension because there is very little…

A: Sarcomere is defined a complex striated tissues that acts as the basic contractile unit of the…

Q: List and explain the steps involved to prevent/STOP cross bridge formation 1. 2. 3. 4. 5.

A: The actin and myosin interaction is very much critical in case of cross bridge cycle in muscle…

Q: Provide a short description of the observed characteristic of the muscle type in the photo, and…

A: Muscles are responsible for the movement of any part of the body via excitation, responding to a…

Q: Part A Name the muscle tissue. Submit Previous Answers Reguest Answer

A: Muscle- Muscles are located all over the body and are responsible for performing several functions…

Q: Richa lost two points on her anatomy exam because she couldn’t answer why one type of muscle fiber…

A: The reason why there is a difference in the color of muscle fiber is :Red muscle fiber: In red…

Q: Draw a relaxed and contracted sarcomere and label the parts of the Z-discs, thick and thin…

A: The tightening, decreasing, or lengthening of muscles during an activity is known as muscular…

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: Outline the contractile process. Use a step-by-step format illustrating the entire process,…

A: The response that our body gives to any external stimuli is due to the transfer of impulse from the…

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: Which of the following proteins connects the actin filaments to the Z-band in the sarcomere? CapZ…

A: Z discs are narrow structures which act as a separation between two sarcomeres. A band is the middle…

Q: Smooth muscle is characterized by all of the following except _______. Group of answer choices has…

A: Smooth muscle is a non-striated type of muscle found in the walls of hollow organs and blood…

Q: QUESTION 99 Plane, hinge, and pivot joints are examples of O amphiarthroses synovial joints O…

A: According to the question, we have to explain plane, hinge, and pivot joints are examples of which…

Q: Myosin are motor proteins that drive forces and movement on actin filaments.

A: Answer:  MYOSIN = These are the proteins , found in muscle cells and primarily plays a major role in…

Q: Identify the following: epimysium * perimysium * endomysium * muscle fascicle * muscle fiber…

A: The skeletal muscles, along with the bones and joints, facilitate the different types of movement of…

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: Which of the following shortens in length during skeletal mucle contraction? select all that apply…

A: During muscle contraction there occurs contraction of sarcomeres, as thick and thin filaments slide…

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: Thirty minutes after Mary has completed a 25km race she begins to notice severe muscle soreness and…

A: Introduction:- The muscular system is an organ system that connects bones, tendons, and heart…

Q: 5. Diagram the structure and organization of the actin and myosin filaments including the myosin…

A: Note-  As we are allowed to do only one question at a time so I will provide answer to one question…

Q: Write the name of the sarcomere structure defined. A structure may be used more than once, and a…

A: A sarcomere is the functional unit of striated muscle. This means it is the most fundamental unit…

Q: Is there a smooth muscle in this photo? Yes or No?

A: Smooth muscles are a type of muscular tissue, which play very important role in contraction.They…

Q: Letter C is labeling А Tendon

A: Muscle are basically a soft tissue which have property of undergo contractions with action potential…

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: A muscle cell structural element that is composed of several hundred myosin molecule is a/an…

A: Introduction: Skeletal muscle is a type of striated muscle that is attached to the skeleton. Our…

Q: Write true or false. If false change the statement so that it is true.(a) Actin is present in thin…

A: Bones are rigid and composed of calcium phosphate and calcium carbonate. They provide structure to…

Q: Skeletal muscle structure Use the dropdown menu to select the answer that best competes each…

A: Have to give answers to the questions given above. Skeletal muscles are voluntary muscles.…

Q: Diagram a sarcomere, showing the basic organization ofthin (actin) and thick (myosin) filaments.…

A: Sarcomere- A unit of tissue of striated muscle is called a sarcomere. It is the area falling between…

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…