Multiply. --9 · (-9)

question 241

Multiple Choice

Multiply.
--9 · (-9)

• A)-81
• B)-90
• C)90
• D)81

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Definitions:

Inner Cell Mass

Group of cells at one end of the blastocyst, part of which forms the body of the embryo.

Blastocyst

A blastocyst is an early stage embryo consisting of 50-150 cells in a fluid-filled sphere, instrumental in the implantation process of pregnancy.

Yolk

Yolk is the nutrient-rich material found within eggs, providing essential energy and nutrients for the developing embryo in various species.

Blastocele

Cavity in the blastocyst.