In an E-R Diagram, A(n) ________ on a Line Means

question 49

Multiple Choice

In an E-R diagram, a(n) ________ on a line means that at least one entity of that type is required.

• A) small oval
• B) vertical bar
• C) arrow
• D) triangular block
• E) wave

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Definitions:

Serous Membrane

A thin layer of tissue that covers internal body cavities and secretes a fluid that reduces friction between organs.

Disaccharidase

An enzyme that catalyzes the hydrolysis of disaccharides into simpler sugars, such as glucose, facilitating their absorption by the body.

Small Intestine

A long, coiled section of the digestive tract where most of the digestion and absorption of nutrients takes place.

Carboxypeptidase

An enzyme that breaks down proteins by hydrolyzing the peptide bonds at the carboxy-terminal end of the protein or peptide.