Which Gene Would Most Likely Be Found in the Genomes

question 4

Multiple Choice

Which gene would most likely be found in the genomes of all present-day organisms?

• A)an amino-acyl tRNA synthetase gene ​
• B)a photosynthetic gene
• C)a nitrogen fixation gene
• D)a gene for anaerobic respiration
• E)a gene for cellulose breakdown

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Definitions:

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and function best in relatively bright light, as opposed to rods, which work better in dim light.

Cortex

The outer layer of the brain, involved in numerous high-level functions including thought, memory, perception, and language.

Rods

Cells in the eye's retina known as photoreceptors that enable vision under dim lighting conditions.

Visible Spectrum

The portion of the electromagnetic spectrum that is visible to the human eye, comprising wavelengths from approximately 380 to 750 nanometers.