Which of the Following Is NOT One of the Four

question 84

Multiple Choice

Which of the following is NOT one of the four stages in the development of a terrestrial planet

• A)flooding
• B)cratering
• C)slow surface evolution
• D)fusion of hydrogen to helium
• E)differentiation

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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.