Which of the Following Is NOT a Correct Pairing of Structure

question 2

Multiple Choice

Which of the following is NOT a correct pairing of structure and function?

• A)motor endplate: region of the motor neuron axon that releases acetylcholine
• B)sarcoplasmic reticulum: modified endoplasmic reticulum that stores Ca²⁺
• C)T-tubules: infoldings of the plasma membrane that conduct electrical signals deep into the muscle fiber
• D)troponin: protein that moves tropomyosin when activated by Ca²⁺
• E)tropomyosin: protein that lies between the helices in actin and blocks myosin-binding sites when the muscle is at rest

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Definitions:

Sensorimotor Stage

The first of Jean Piaget's stages of cognitive development, where infants learn through interacting with the world using their senses and motor activities.

Functional Play

Play activities that involve simple, repetitive activities typical of infants and young children, which help in developing physical and cognitive skills.

Formal Play

Structured play activities that are governed by rules and often involve social interactions or competition.

Rejecting-neglecting

A parenting style characterized by a lack of responsiveness to a child's needs and a general disengagement from the child's life.