In the E-R Model, This Symbol Represents a Database Entity

question 48

Multiple Choice

In the E-R model, this symbol represents a database entity such as a customer:

• A)Diamond
• B)Rectangle
• C)Arrow
• D)Parallelogram

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Definitions:

Action Potential

A rapid rise and fall in electrical membrane potential that transmits signals along neural and muscle cells.

Muscle Fibers

The cells of muscles that are specialized for contraction, allowing for body movements, posture maintenance, and heat production among other functions.

Actin And Myosin

Two proteins that form the basis of muscle contraction and movement in cells, playing a crucial role in the sliding filament model of muscle contraction.

Optimal Overlap

The ideal arrangement of actin and myosin filaments within a muscle fiber for maximum muscle contraction efficiency.