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:

Service-Learning

An educational approach that combines learning objectives with community service in order to provide a pragmatic, progressive learning experience while meeting societal needs.

Experiential Learning

A learning methodology based on students being directly involved in a learning experience rather than being recipients of passively received information.

Flexible Work Schedules

Employment arrangements that allow for varied work hours and/or locations, accommodating a balance between work demands and personal life.

On-Campus Employment

Job opportunities provided to students within the educational institution's premises, often designed to be flexible around their academic commitments.