Embryonic Stem Cells Are Derived from the

question 60

Multiple Choice

Embryonic stem cells are derived from the

• A)outer cell mass of the morula.
• B)inner cell mass of the blastocyst.
• C)middle layer of the zygote.
• D)trophoblast.

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Definitions:

Felsic Crystals

Refers to light-colored minerals rich in elements such as aluminum, potassium, silicon, and sodium, commonly found in continental crust rocks.

Mafic Crystals

Minerals rich in magnesium and iron that crystallize from basaltic magmas, typically dark in color.

Pegmatite

An igneous rock with extremely large crystals, formed by the slow cooling of magma, often containing rare minerals.

Texture

The general physical appearance or character of a rock, especially the size, shape, and arrangement of minerals and other materials.