How does adaptation of the hair cell response occur when the same frequency is sensed? Myosin holds the gate open for the entirety of the stimulus Myosin movement reduces tension to unlock Ca2+ gates Myosin movement reduces tension to close K+ channel gates Myosin pulls spring to keep K+ channel gates open

Q: Which of the following is NOT true of the mechanism by whlch kinesin motor proteins waik along…

A: Kinesin is a motor protein that moves along microtubules. Members of Kinesin superfamily are…

Q: List the three important properties of a myosin head. Whatis a cross-bridge?

A: Muscle Contraction Is Triggered When an Action Potential runs along the Nerves to the Muscles.…

Q: when a stimulus is applied for a prolonged period the rate of receptor discharge slows

A: Sensory adaptation is a phenomenon that occurs when the sensory receptors are exposed to stimuli for…

Q: In relaxed muscle, the myosin-binding site on adin is blocked by ?

A: Step 1 Contractile elements of muscle fibre are myofibrils. They are made up of contractile units…

Q: Neurons supplying smooth muscle secrete histamine display receptors only on the dendrites create…

A: Smooth muscle are cells that do not have striations. These muscles are present in the walls of…

Q: e following are reg itch? (choose all that apply) e first phase where the "cross-bridge" c

A: The contraction of a muscle fiber in response to a stimulus by the nervous system is called as a…

Q: What are the mechanisms for muscle contraction vs. relaxation in regards to myosin/thick…

A: The mechanism of contraction of skeleton muscle was based explain through "sliding filament theory"…

Q: A muscle cell dies, so that there is no ATP left in the sarcoplasm.  However, there is lots of Ca2+…

A: Rigor mortis is the stiffening of a dead body after hours of death. The word translates into…

Q: The "All or None" response means that: A stimulus causes depolarization and repolarization…

A: "All or None " is the phenomenon that a muscle fiber will only contract to its full extent.

Q: The following were extracellular recordings obtained from the giant nerve fibers of an earthworm…

A: The correct answer to this question is option A. To calculate the action potential conduction…

Q: is greater trochanter pain sydrome myogenic or arthogenic and how do you interpret that in a…

A: Greater trochanter pain syndrome (GTPS) is a condition that causes pain and tenderness at the…

Q: Release of calcium from the terminal cisternae Binding of acetylcholine to the acetylcholine…

A: Adenosine triphosphate is a natural compound and hydrotrope that gives energy to drive many cycles…

Q: a) Why are muscles not in a contracted state all the time? b) Several hours after the death of an…

A: Muscles These are defined as the soft tissues that are involved in the movement of the body and in…

Q: Which of these proteins does NOT act as a motor protein?     kinesin-7     dynein…

A: Motor proteins are molecular motors that employ ATP hydrolysis to travel along cytoskeletal…

Q: Skeletal muscle cells undergo contractions based on a molecular mechanism involving: 1)the sliding…

A: The skeletal muscle cells contract by using myosin and actin filaments. These cells are accountable…

Q: What is NOT accurate about axonal projections? carries nerve impulses that can be graded in nature…

A: There are a few important points that should be kept in mind. Axonal projections: It is basically…

Q: Compared to an action potential, a graded potential is weak and depending on the stimulus strength…

A: Neuron is a vital part of nervous system that is involved in transmission of signal impulse to all…

Q: TRUE OR FALSE   Depolarization of the rod cell membrane causes increased neurotransmitter release.

A: Rod cells release more of their neurotransmitter when they are depolarized. This happens because…

Q: Describe the structures and functions of actin-based motor proteins, myosins.

A: Motor proteins are a class of proteins that are capable of converting chemical energy (usually from…

Q: The ability of myosin to walk along an actin filament may be observed with the aid of an…

A: Myosin is the motor protein, actin filaments are the tracks along which myosin moves, and ATP is the…

Q: Put these events that occur in skeletal muscle in the correct chronological sequence: 1. Activation…

A: The membrane potential on the T-tubule membrane is sensed by a protein called the dihydropyridine…

Q: Chapter 13, Level 2: Which of the following is true of a muscle spindle? O it is a region where…

A: Introduction: The skeletal muscle fibers are composed of several long and thin cells referred to as…

Q: Describe the relationship between non -muscle myosin ,actin and growth cone extension.

A: When cells receive and react to signals from other cells to support various bodily activities, such…

Q: What is the relationship between stimulus strength and the resulting action potential amplitude in a…

A: The correct answer to this question is option B i.e. increasing stimulus strength does not change…

Q: • Myosin pulls the actin strands • An action potential arrives at the neuromuscular junction •…

A: The muscles in the body in association with the skeleton system provide us with the desired…

Q: xplain the role of stretch receptors

A: Our muscles is composed of many long fibres. In striated muscle, many nerves and bloods vessels are…

Q: A motor unit associated with the stimulation of skeletal muscle is designated as a 1:8 motor unit.…

A: A motor unit is made up of a motor neuron and the skeletal muscle fibres innervated by that motor…