Analysis of DNA Sequences Reveals

question 38

Multiple Choice

Analysis of DNA sequences reveals:

• A) the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
• B) prokaryotes and eukaryotes evolved from a common ancestral cell
• C) that bacteria share common ancestor with archaea, but not with eukarya
• D) prokaryotes are cells with a nucleus
• E) the genome of Haemophilus influenzae has about 2 billion base pairs

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Definitions:

Shear Zone

A region of the Earth's crust where rocks have been subjected to differential stress causing them to deform via shearing.

Pluton

A body of intrusive igneous rock that crystallized from magma cooling below the Earth's surface; can range in size from small to massive.

Terranes

Pieces of the Earth's crust that have distinct geological histories and have been merged onto a continent along a plate boundary.

Accretionary Prism

A wedge-shaped mass of sediment and rock scraped off the top of a downgoing tectonic plate at a convergent plate boundary.