When the Cell Membrane of a Vertebrate Skeletal Muscle Is

question 12

Multiple Choice

When the cell membrane of a vertebrate skeletal muscle is depolarized, ryanodine receptors change configuration and permit passage of Ca²⁺

• A) passively, from the extracellular fluid to the cytoplasm.
• B) passively, from the sarcoplasmic reticulum to the cytoplasm.
• C) actively, from the extracellular fluid to the cytoplasm.
• D) actively, from the sarcoplasmic reticulum to the cytoplasm.

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Definitions:

Concrete Operations

The stage in Piaget's theory of cognitive development in which children aged about 7 to 12 years become capable of logical thought processes but are not yet adept at abstract reasoning.

Preoperational

Pertains to Piaget’s stage of cognitive development (typically ages 2-7) in which children start to use language to explore and understand their environments, but do not yet use logical mental operations.

Sensorimotor

Referring to the developmental stage in Piaget's theory of cognitive development, where infants learn through interacting with the world using their senses and motor abilities.

Egocentrism

A cognitive bias where individuals overemphasize their own point of view at the expense of others' perspectives.