Why Might the Analysis of Endosymbiotic Bacterial Genomes Be Misleading

question 8

Multiple Choice

Why might the analysis of endosymbiotic bacterial genomes be misleading for understanding the minimal gene set?

• A) They are bacteria and therefore have nothing in common with LUCA.
• B) They may have gained genes to be able to live within another organism.
• C) They may have lost genes that would have been essential to early life-forms due to their reduced metabolic requirements.
• D) Their genes can be disrupted by transposons.

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Definitions:

Intestinal Motility

The contraction of the muscle layers in the intestines that facilitates the movement of its contents through the digestive system.

Distension

Distension refers to the state of being stretched, inflated, or larger than normal, often used in medical contexts to describe organs or tissues.

Amino Acids

Organic compounds serving as the building blocks of proteins, necessary for various biological functions.

Major Lobes

The divisions of the brain, including the frontal, parietal, occipital, and temporal lobes, each responsible for different functions.