What is the monomoric form of actin referred to as?   a. F-actin   b. G-actin   c. M-actin   d. R-actin

Q: Which of the following families of actin-binding proteins promote actin filament polymerization?…

A: Actin filaments are made up of a long spiral chain of similar actin proteins. Actin filaments, like…

Q: muscle cells are made up of? A. Z bars b. actin c. myosin d. myofibrils

A: Muscles are soft tissues found in most of the animals. Functions of muscles are to produce motion…

Q: This player in smooth muscle contraction is analogous to troponin in skeletal and cardiac muscle…

A: The muscular system is one of the major organ systems in the body. It contains three forms of…

Q: The picture below shows One nerve One muscle cell ten neurons ten muscle cells

A: Human beings are a complex species consisting of trillions of cells, each with its own form and…

Q: What are the difference between actin and myosin.

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

Q: Several snake venoms contain toxins which blocks acetylcholine receptors at the neuromuscular…

A: The neuromuscular system includes all the muscles in the body and the nerves that are required to…

Q: ted to design a drug that interfered specifically with skeletal muscle, without effecting cardiac or…

A: Drug design regularly alluded to as a rational medication plan or just reasonable plan is the…

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: The most non-polar part of a typical phosphatidylcholine molecule would have to be: A. the fatty…

A: Phosphatidylcholine is a type of phospholipid that is a major component of cell membranes. It…

Q: What happens to the membrane potential of a neuron when an action potential is stimulated?   A.…

A: The generation of action potential occurs muscle and neural cells in case of a sudden variation in…

Q: What proteins are found in actin filaments?

A: In cell biology, cytoskeleton is a structural entity that provides shape to the cell and helps in…

Q: Match each item to the correct statement below. 61. a form of potential energy across a cell…

A: Brain is a vital organ that controls all the activities of higher level organisms such as animals,…

Q: A person ingests a fungus containing a toxin that blocks kinesin activity. How will cell transport…

A: Kinesin is a motor protein present in eukaryotic cells. They move on the tracks of microtubule…

Q: How are vesicles with neurotransmitter transported to the synaptic cleft? A. Retrograde, slow…

A: Nervous system is a body system which is involved in transmission of impulse, control as well as…

Q: What does ATP binding to myosin head triggers?     a. Its association with microtubules     b.…

A: It is a superfamily of protein which bind actin , hydrolyze ATP and transduce force. Myosin is the…

Q: Ion channels are composed of different protein subunits. a. What features of an ion channel…

A: Introduction: Multimeric proteins that are often found in the plasma membrane are ion channel…

Q: What might happen to muscle contraction if acetylcholinesterase were added to the preparation?

A: The neuromuscular junction is the space between the neuron and the muscle. This is the junction…

Q: 24. Which of the following is true concerning the role of Calcium in the contraction of muscle-…

A: A soft tissue derived from the mesoderm layer during embryonic development that functions to assist…

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…

Q: Which is most accurate with regard to the phrase "muscle fiber"? A. Muscle fibers technically only…

A: The living organism’s body is comprised of several muscles that show varying roles based on their…

Q: How is actin arranged in a network different from actin arranged in a bundle?

A: The actin protein form major cytoskeleton of utmost of the cell, polymerization of the actin protein…

Q: Describe how actin and myosin are arranged relative to each other

A: The skeletal system is the arrangement of bones offering structural support and stature to the body.…

Q: Describe the structures and functions of actin-based cellular structures

A: Actin-based structure is a type of protein that greatly aids in the contraction of muscle and other…

Q: The potency of agonists is frequently defined in terms of their affinity and theirefficacy. Explain…

A: The hormones or ligands elicit response by binding to their specific receptors.  A drug or a ligand…

Q: compare and contrast the action of actin & myosin.

A: Actin and myosin are two types of proteins that play a critical role in muscle contraction in…