The Following Questions Refer to the Description and Figure Below

question 62

Multiple Choice

The following questions refer to the description and figure below.
The figure represents a cross section of the sea floor through a mid-ocean rift valley, with alternating patches of black and white indicating sea floor with reversed magnetic polarities. At the arrow labeled "I" (the rift valley) , the igneous rock of the sea floor is so young that it can be accurately dated using carbon-14 dating. At the arrow labeled "III," however, the igneous rock is about 1 million years old, and potassium-40 dating is typically used to date such rocks. NOTE: the dashed horizontal arrows indicate the direction of sea-floor spreading, away from the rift valley.
Figure 25.1
-Which of these observations fails to support the endosymbiotic theory for the origin of eukaryotic cells?

• A)the existence of structural and molecular differences between the plasma membranes of prokaryotes and the internal membranes of mitochondria and chloroplasts
• B)the existence of size differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts
• C)the existence of size differences between some prokaryotic cells and mitochondria
• D)the existence of rRNA sequence differences between the cytosolic ribosomes of eukaryotes and the ribosomes within mitochondria and chloroplasts

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Definitions:

Median

The middle value in a data set when the numbers are arranged in ascending order.

High-Potential Employees

Workers identified as having the capabilities, ambition, and potential to hold leadership roles or significantly impact the organization's future.

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Groups within a population that are differentiated from the majority by cultural, ethnic, racial, or religious characteristics.

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