Question 11 In a resting muscle, the active site on G-actin is blocked by which part of the muscle fiber? myosin O troponin nebulin o tropomyosin

Q: QUESTION 10 Endurance training increase the number of: O slow fibers, which are fatigue-resistant O…

A: Muscle fibres can be defined as the muscle cells that are functionally accountable for controlling…

Q: QUESTION 5 The stimulus that usually triggers blood clotting is: O A drop in blood pressure…

A: The process of transformation of blood into gel like substance outside the blood vessels is known as…

Q: Which of this muscle is found in heart? O cardiac muscle O smooth muscle O skeletal muscle

A: Muscles are in the form of contractile fibres varying in lengths and form muscular tissue. The…

Q: When an individual sarcomere undergo contraction, which of the following happens? H band and I band…

A: A sarcomere is the basic contractile unit of muscle fiber. Each sarcomere is composed of two main…

Q: Question 8 The major structural component of the exoskeletons of invertebrates is composed of…

A: The monosaccharides joints together to form polysaccharides. Different polysaccharides are present…

Q: motor protein(s) that can carry vesicles along microtubules?

A: Motor proteins -The last element required for the vesicle transport system is the motor protein.…

Q: QUESTION 5 Which of the following is NOT true of intermediate filaments?   A They provide…

A: A cell is the basic unit of life.  All living creatures are made up of cells, ranging from…

Q: What type of ion current could have produced the membrane potential in E? -40 -50 - -60- D E F -70-…

A: Membrane potential is defined as the electric potential difference across the membrane of a cell…

Q: Considering these events, what is the right sequence in muscle contraction? i. Ca2+ released from…

A: Muscles are the connective tissues that are involved in the movement by their contraction and…

Q: Question 30 How does muscles stabilize the skeletal system? Muscles... ...create torques at skeletal…

A: Muscles are attached to bones via tendons & are responsible for producing movement and…

Q: The peak rate at which a mammal can produce ATP by aerobic catabolism is known as aerobic capacity O…

A: Catabolism is defined as the enzyme-catalyzed reaction chains, which are used to break down or…

Q: QUESTION 13 Which radiotracer is used in a bone scan? OA Fluorine-18 fluorodeoxyglucose O B.…

A: The chemical compound in which replacement of one or more atoms occurs by a radionuclide is called…

Q: Which of the following statements is not correct? +30! -F Membrane Potential (mV) H D. .B -70- A C…

A: The picture is showing the action potential curve. The action potential is generated on receiving…

Q: OA. The myogenic response is an extrinsic mechanism that regulates blood flow in response to changes…

A: Myogenic response is the mechanism by which arteries and arteriole react with the increase or…

Q: Which one ot the following statements is FALSE? Oa ADP is often one of the products of a reaction…

A: Protein kinases are enzymes that regulates biological proteins by phosphorylation with ATP. IT…

Q: You are in charge of generating a scaffold for use in tissue engineering applications that behaves…

A: Scaffold for tissue engineering are the support structure designed to facilitate cellular growth and…

Q: What process best characterizesCa concentration) into the endoplasmic reticulum (high Ca 2+ movement…

A: A concentration gradient is set up when the concentration of the ions on both sides of the membrane…

Q: A transgenic mouse was produced which lacks a protein that is required to assemble tight junctions…

A: Cell junctions These are the connections present between the two cells or the cell and plasma…

Q: Question 2 of 16 The relatively light portion of the A band of skeletal muscle Select the correct…

A: Skeletal muscle- Skeletal muscle forms about 40-50% of body mass and is responsible for movement and…

Q: What is the correct order that a motor nerve stimulation encounters structures in triggering a…

A: Muscular system is a type of body system which is involved in Contraction and relaxation, thus…

Q: 13 QUESTION 13 Which of the following is a characteristic of Slow-twitch (Oxidative) muscles? O A.…

A: The question is asking to identify the characteristic that is associated with slow-twitch…

Q: QUESTION 3 In a contracted muscle, sarcomeres are ○ A stretched; also stretched O B. narrowed; the…

A: The objective of the question is to understand the changes in the sarcomeres, the basic units of…

Q: Place the following anterior forearm muscles in order, from lateral to medial 1. Palmaris longus 2.…

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

Q: Which of these processes need ATP most? O Detachment of myosin head O Release of calcium O None of…

A: Contraction of muscles is controlled by two important proteins, actin and myosin.  In muscle cells,…

Q: myosin

A: Various cellular activities rely on the regulation of actin dynamics. Actin dynamics and…

Q: Acetylcholinesterase: 1. OProduces acetylcholine. 2. Ols the acetylcholine receptor in muscle…

A: Nerves communicate with one another and with muscle cells by using neurotransmitters. These are…

Q: Question 3 (1 point) An enables an action, while the ___ opposes and reverses it. --- agonist;…

A: Various mechanisms in the body facilities the action of other mechanisms or the biochemical…

Q: Skeletal muscle contains several nutrients and oxidation- promoting chemicals which allow it to work…

A: The muscular system helps to regulate the movements of body and internal organs. Muscle tissue made…

Q: Question 8 Myoglobin and the subunits of hemoglobin have: O very similar primary and tertiary…

A: Hemoglobin is an iron-containing protein, present on the surface of RBCs and carries oxygen from…

Q: All of the following statements are correct EXCEPT a. Prokaryotic cells do not have a cytoskeleton.…

A: The cytoskeleton are a system of filaments or protein fibres that are present in the cytoplasm that…

Q: In smooth muscle fibers, the thin filaments attach to structures called functionally similar to Z…

A: Muscular tissue is made up of long cells of muscle fibers. It has contractile proteins that are…

Q: QUESTION 12 As your body becomes cold cells in your skin determine the change and send a signal to…

A: The question is asking us to identify the role of the hypothalamus in the body's response to cold…

Q: In this phase, ALL voltage-gated Na+ channels are in the process of re-setting and cannot be opened…

A: An abrupt, quick, temporary, and spreading shift in the resting membrane potential is classified as…

Q: Which of the following statements is false concerning the motor protein families of kinesins and…

A: Kinesins and dyneins are molecular motor proteins responsible for intracellular transport in cells.…

Q: Question 1 In a NMJ, what happens to the sarcolemma when acetylcholine is released into the synpatic…

A: A neuromuscular junction or a myoneural junction is a synapse between the terminal end of a motor…

Q: When a cell membrane potential shifts from -70mV to -90mV we say the membrane has:

A: Neurons typically show a resting membrane potential at -70 mV. This resting potential is disturbed…

Q: A new class of drug has been developed for patients with hyperglycemia type 2 diabetes; it works by…

A: Gastric inhibitory polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) are the two primary…

Q: Question 8 Enzymes that move certain phospholipids between leaflets have also which of the following…

A: Enzyme that move certain phospholipids between leaflets have also the property  The membrane lipid…

Q: QUESTION 2 The transverse tubules store and release calcium ions (Ca2+) in response to an action…

A: A muscle is composed of a group of muscle fibers, and the plasma membrane of the muscle fiber is…

Q: What do synaptic vesicles of a neuromuscular junction contain?   a serotonin   b sodium   c…

A: A neuromuscular junction is a chemical synapse between a motor neuron and a muscle fiber. It allows…

Q: The resting membrane potential results when the tendency for. ts attraction to opposite charges…

A: Neuron are essential structure in Nervous system which helps in communication and transfer the…

Q: If you noticed on most descriptions of species, the measurement of a particular body part has a…

A: The measurement of a particular body part has range.

Q: QUESTION 44 In adult neurons, there is a higher concentration of chloride outside the cell than…

A: Gamma-aminobutyric (GABA) acid is considered as a neurotransmitter, which is actually an amino acid.…

Q: QUESTION 24 Which statement is correct? A В C: E D The structure labeled C is called the A band The…

A: Muscles are the main system of the body that help in movements. Sarcomere is the basic unit of…

Q: Which of these are shortened during a muscle twitch? O Actin O I band O Z-disc Myosin

A: The muscle fiber is made of thin filaments which are actin and thick filaments which are myosin. I…

Q: QUESTION 29 In myogenesis, the assembling sarcomeres are integrated with the extracellular matrix…

A: 29. The sarcomere and extracellular matrix interaction: 1. Integrin is a protein that mediates the…

Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.