What Is the Steam Being Given Off When Water Boils

question 40

Multiple Choice

What is the steam being given off when water boils?

• A) oxygen molecules
• B) hydrogen molecules
• C) water molecules
• D) hydroxide OH^-) ions
• E) hydrogen H⁺) ions

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Definitions:

Unspecialized Cells

Cells that have not yet differentiated into specific cell types and thus retain the capability to become multiple kinds of cells, also known as stem cells.

Specific Fate

The pre-determined developmental trajectory of a cell or organism, often genetically controlled.

Homeobox Transcription Factors

Proteins that bind DNA and regulate the expression of genes crucial for the development and structural layout of an organism.

Homeodomains

DNA-binding motifs found in transcription factors that are crucial for the regulation of development and gene expression.