ATP in Muscle Contraction Is Needed for

question 57

Multiple Choice

ATP in muscle contraction is needed for

• A)attachment of myosin cross bridges to actin.
• B)release of myosin cross bridges from actin.
• C)pumping of Ca²⁺ back into the sarcoplasmic reticulum.
• D)All apply.

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Definitions:

Neural Connections

describe the links between neurons in the brain or nervous system, facilitating the transmission of signals and the processing of information.

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.

Chemical Messages

Signaling molecules released by cells that affect the behavior or development of other cells, often acting as hormones or neurotransmitters.

Synapses

The junctions through which neurons signal to each other or to non-neuronal cells, allowing for communication within the brain and the nervous system.