Which of the Following Statements Is FALSE Concerning the Universal

question 1

Multiple Choice

Which of the following statements is FALSE concerning the universal tree of life?

• A) Previous versions of the universal tree of life were based largely on fossils and comparative biology, which overlooked the diversity of and relationships between most prokaryotes.
• B) The current universal tree of life is supported by multiple genes including SSU rRNA sequences.
• C) The current universal tree of life depicts three domains of life, two of which are prokaryotic.
• D) The current universal tree of life is based on molecular sequences and completely changes our view of evolutionary relationships between eukaryotic species.

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Definitions:

Pitch Cone

The imaginary cone that defines the pitch surface of conical gears or screw threads, where the common vertex of the gear teeth or threads would converge.

Cone Angle

The angle formed between the outer surfaces of a cone, measured at its widest part.

Bevel Gears

Gears designed with angled teeth so they can transmit motion between intersecting shafts, typically at a right angle.

Intersecting Shafts

Shafts that cross each other at any angle other than 90 degrees, often requiring special joint or coupling to transmit power.