​Although Some Bacteria Have Membranes Around Their DNA, We Do

question 83

Multiple Choice

​Although some bacteria have membranes around their DNA, we do not call these structures nuclei because they lack ____.

• A) ​pores
• B) ​proteins
• C) ​phospholipids
• D) ​a bilayer construction
• E) ​ribosomes

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Definitions:

Indole Ring

A bicyclic structure composed of a benzene ring fused to a five-membered nitrogen-containing pyrrole ring, found in many organic compounds.

Side Chain

A group of atoms attached to the main part of a molecule, influencing its chemical properties and reactions.

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both amine and carboxyl functional groups.

Imidazole Ring

A heterocyclic compound containing a ring made of three carbon atoms and two nitrogen atoms, found in many biologically important molecules.