A Relation Resulting from a Weak Entity Has a Non-Composite

question 100

Multiple Choice

A relation resulting from a weak entity has a non-composite primary key when the identifying relationship is:

• A)Optional on both sides
• B)1:1
• C)1:M
• D)M:N

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Definitions:

Megasporocyte

Cell within a megasporangium that undergoes meiosis to produce four n megaspores; also called megaspore mother cell. Compare with microsporocyte.

Meiosis

A form of cellular division that halves the number of chromosomes, leading to the creation of either gametes or spores.

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes, typically through mitosis.

Biologists

Scientists who study living organisms and their interactions with each other and their environments.