Muscle contraction experiment. What happens to glycerinated skeletal muscle if you add ATP first, then add salt. What if ATP and salts are added simultaneously?

Q: During one cross-bridging cycle in striated muscle one ATP molecule is hydrolyzed. Explain the two…

A: In striated muscles, during a muscle contraction, tropomyosin has to change its conformation to…

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: What would be the consequences of actin filament assembly/disassembly if a mutation prevented actins…

A: Actin belongs to the globular family of proteins that forms microfilaments present in eukaryotic…

Q: Muscle contraction experiment. What will happen if salt was added to a glycerinated skeletal…

A: During the muscle contraction experiment, we do glycerinating of muscles. The glycerinated  skeletal…

Q: Discuss about Myosin light-chain phosphorylation regulates smooth muscle contraction.

A: Smooth muscle is also known as visceral/ unstriped/ non striated or involuntary muscles.

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: Discuss the specific role of ATP in muscle contraction.

A: ATP is Adenosine triphosphate which is also referred as the cellular energy currency.

Q: True or false? and why Motor neurons trigger action potentials in muscle cell membranes that open…

A: Muscle contraction is a process in which the actin and myosin filaments slides past each other.…

Q: Antigarvity muscles maintain stretch reflex for prolonged periods withoutfatigue, because :-a- they…

A: The stretch reflex is a muscle contraction in response to stretching within the muscle. The major…

Q: 2) Phosphorylation of. will transform curled into the uncurled form and initiates the smooth muscle…

A: Smooth muscles are non striated involuntary muscles found mainly in hollow organs , gastrointestinal…

Q: F-actin filaments:

A: F-actin filaments are composed of a polymer chain of monomer globular actin or G-actin subunits…

Q: Action potential ente from adjacent cell. 1 Ca2+ 2 K* 3 Na* Ca2+ ЕCF ATP NCX ICF 3 Na* RyR Ca2+…

A: The muscle contraction of myocardial cells is activated with the help of specific stimulus that…

Q: Explain why skeletal muscle cells contain many mitochondria.

A: Mitochondria is a cell organelle found in the cytoplasm eukaryotic cell. It is a double…

Q: VISUAL SKILLS During intense exercise, can a musclecell use fat as a concentrated source of chemical…

A: In the presence of oxygen, glycerol and fatty acids which are the monomers of fat enter into the…

Q: Following a single action potential, cytosolic Ca2+ rises and then falls back to resting levels by…

A: An action potential is the sudden increase and decrease in membrane potential on cell membranes due…

Q: Focus on the interaction of ATP with the kinase first. Would you say ATP binds on the surface of the…

A: Note: Since the given image does not indicate Mn2+ ions, the third question cannot be answered. ATP…

Q: What happened to your energy & ability to pinch the clothespin as you progressed through each trial?…

A: As per our guidelines we are not allowed to answer more than one question at a time please ask rest…

Q: Muscle contraction experiment What will happen to the muscle if ATP and salt was added…

A: Muscles are tissues that allow us to move. Muscle contraction and relaxation help with movement.…

Q: Activity of pesin in the blood at pH 7.4

A: It is pepsin, found in the stomach.

Q: Looking at this diagram explain the order of size dependent recruitment of motor units during muscle…

A: The smallest functional unit is made up of a motor neuron and the skeletal muscles that are attached…

Q: Bohr for me, not for thee. Does myoglobin exhibit a Bohr effect? Why or why not?

A: The Bohr effect is the drop in the saturation of hemoglobin that occurs with a decrease in pH and…

Q: 10.In muscle function at the sarcomere level, the formation of cross-bridges is regulated by the…

A: Sarcomere is the contractile unit of muscle fibre. The region between two Z lines is called…

Q: Biology Question: True or False? Action potential is an electrical signal traveling along the…

A: It is true. Action potential is an electrical signal traveling along the membrane of the muscle cell…

Q: Number the following statements in their proper sequence to describe the contraction mechanism in a…

A: Skeletal Muscle Contraction It is a series of steps explained by Sliding filament theory. The muscle…

Q: the specific molecules involved. 5. Describe the structural and functional differences between…

A: Skeletal Muscle:- 1. Function:- Aid in movement of the body. 2. Structure:- Distributed throughout…

Q: The sliding-filament model of skeletal-muscle contraction assumes a sliding or slipping of…

A: Muscle contraction occurs due to nerve stimulation. The striated muscle cell is tube-shaped and…

Q: Explain the structure of dynein and kinesin and how their structures aid in organelle movement…

A: Dynein and kinesin are two of the cellular major motor proteins involved in the long range transport…

Q: Muscles vary greatly in terms of their endurance. The gluteus medias is an important stabilizer…

A: The ability of a muscle group or individual muscle to undergo repeated contractions for a long time…

Q: The power stroke Multiple Choice Positions the myosin heads in their high-energy pos Pulls the thin…

A: power stroke of muscle contraction -It is the pivoting of myosin heads to pull filament toward the m…

Q: Creatine phosphate + ADP----> Creatine + ATP the free energy under standard state conditions is…

A: Gibbs Free Energy of a system is the amount of available energy by the system to perform work. The…

Q: Rigor mortis (the stiffening of muscles fibers several hours after death) is directly due to the…

A: Rigor Mortis  It is one of the recognisable signs of death, caused by chemical changes in the…

Q: The release of calcium ions initiates muscle contractions.Watch this video…

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: how lactic acid reach the damage muscle.

A: In humans due to intense exercise, the muscle cells lack oxygen for aerobic respiration and hence it…

Q: otting the effect on smooth muscle ontraction below, the antagonist is most likely: Agonist Alone…

A: The diagram shown here is the dose response curve of acetylcholine and its inhibitors in the form…

Q: Muscle contraction What makes the thick filament? What makes the thin filament?

A: The muscles are the components of the body that enable locomotion. The nervous system regulates the…

Q: electrophysiology Using your knowledge, list the excitation contraction coupling events that explain…

A: A motor unit, the functional unit of muscle contraction, is a single motor nerve and the associated…

Q: An oxygen-storage protein present in muscle

A: Protein are the large biomolecule and they are macro molecule and they are composed of long amino…

Q: Activity: Label A through H Cytosol Mitochondrion-

A: cellular respiration and its various steps.

Q: If the number of myosin heads were doubled, what would be the effect on force production? ATP…

A: Myosin are cellular proteins that are involved in many cellular functions. In cell division, they…

Q: The role of creatine phosphate in muscle cells is to: provide energy for muscles during extended…

A: Creatine phosphate serves as an “energy buffer” in muscle it is a high-energy, phosphorylated,…

Q: aerobic better for steady state and anaerobic better for burst

A:

Q: Explain how ATP levels regulate glycolysis in resting muscle

A: Glycolysis is a catabolic pathway in which carbohydrates are oxidized to two molecules of pyruvate.…

Q: Mutations in myosin

A: myosin is a motor protein most notably involved in muscle contraction.  Small genetic mutations in…

Q: Fil in the blanks  1. A resting muscle fiber or neuron has an internal charge that is…

A: The transmission of impulses caused by various stimuli is done by the neurons present in the human…

Q: How do proton pumps contribute to membrane potential?

A: there are two types of transport -  passive transport - ions will move down the hill- ions will…

Q: 25) In muscle contraction cycles, bridge during which myosin; actin; ATP; energy actin; myosin; ATP;…

A: The skeleton muscle is the classic example of interaction between actin filament and myosin…

Q: f actin filaments such that it prevents myosin II

A: Answer:  Filamin: The filamins (FLN) are a family of actin binding proteins that can convert, via…

Q: Physiological basis of determining fitness, strength, and anaerobic power

A: ANSWER;-  Physiological basis of determining fitness, strength, and anaerobic power is Anaerobic…