Which of the Following Is the Best Evidence for a Three-Domain

question 12

Multiple Choice

Which of the following is the best evidence for a three-domain system?

• A) There are three distinctly different Gram reactions.
• B) There are three distinctly different sets of metabolic reactions.
• C) Nucleotide sequences in ribosomal RNA vary between all three domains.
• D) Some bacteria live in extreme environments.
• E) There are three distinctly different types of nuclei.

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Definitions:

Action Research

A participatory form of research that aims to solve immediate problems while focusing on collaborative methods among researchers and participants.

Participatory Research

A research approach that involves active participation and collaboration between researchers and community members in the research process.

Androcentrism

A perspective that centers male viewpoints and male-dominated norms, often at the expense of female or other gendered perspectives.

Sexual Dichotomism

The division or classification of sex and gender into two distinct, opposite forms of masculine and feminine, often ignoring the existence of other genders.