If Archaeans Are More Closely Related to Eukaryotes Than to Bacteria

question 14

Multiple Choice

If archaeans are more closely related to eukaryotes than to bacteria, then which of the following is a reasonable prediction?

• A) Archaean DNA should have no introns.
• B) Archaean chromosomes should have no protein bonded to them.
• C) Archaean DNA should be single-stranded.
• D) Archaean ribosomes should be larger than typical prokaryotic ribosomes.
• E) Archaeans should lack cell walls.

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Definitions:

Libido

A term in psychoanalytic theory for the energy of the sexual drive as a component of the life instinct.

Genital Stage

In psychoanalytic theory, the final stage of psychosexual development, in which the physical focus of the libido is on the genitals, with an emphasis on heterosexual relationships. The stage begins at about puberty, but is only fully attained when and if the individual achieves psychological maturity.

Psychic Conflict

A struggle within the mind between opposing thoughts, desires, or impulses, often central to psychoanalytic theories.

Anticrime Initiatives

Actions or strategies implemented to reduce or prevent criminal activities and increase safety within a community.