What Evidence Supports the Idea That Archaea Are More Closely

question 43

Multiple Choice

What evidence supports the idea that archaea are more closely related to eukaryotes rather than to bacteria?

• A) Archaea and eukaryotes initiate transcription in the same fashion.
• B) Archaea and eukaryotes both have cell walls with peptidoglycan.
• C) Archaea and eukaryotes share some ribosomal proteins and have similar types of tRNA.
• D) Archaea and eukaryotes initiate transcription in the same fashion, share some ribosomal proteins, and have similar types of tRNA.
• E) None of the choices support a close relationship between eukaryotes and archaea.

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Definitions:

Base Pairs

Pairs of nucleotides that form the building blocks of the DNA double helix, with adenine pairing with thymine, and cytosine pairing with guanine.

Insertion

The attachment site of a muscle tendon to the bone that moves when the muscle contracts.

Reverse Transcriptase

An enzyme that catalyzes the formation of DNA from an RNA template, used by retroviruses in their replication process.

Retroviruses

A group of RNA viruses that insert a DNA copy of their genome into the host cell to replicate, associated with certain cancers and HIV.