A Codon Is a Particular Combination of Three Nucleotides

question 64

Multiple Choice

A codon is a particular combination of three nucleotides. Therefore, there are possible combinations of the nucleotides A, C, G, and T.

• A) 4
• B) 16
• C) 64
• D) 32
• E) 12

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Definitions:

Chromatin

The complex of DNA and histone proteins that forms chromosomes within the nucleus of eukaryotic cells, regulating gene expression.

Membrane Potential

The voltage difference across a cell's membrane, crucial for the function of excitable cells like neurons and muscle cells.

Extracellular Glycocalyx

A complex carbohydrate-rich layer that coats the outer surface of cells, playing key roles in cell-cell interactions and protection.

Transcription

The process by which the genetic information in DNA is copied to RNA, leading to protein synthesis.