12 Questions
What type of ribosomes are found within the mitochondria according to the text?
Prokaryote-like ribosomes
How do mitochondria replicate within the eukaryotic cell?
By binary fission
What is the structure of the circular DNA molecules found in the mitochondria?
Circular DNA molecules not associated with histones
What is a characteristic of the inner membrane of mitochondria based on the text?
Homologous to plasma membranes of living bacteria
Which organelle's origin is supported by evidence from endosymbiosis as discussed in the text?
Mitochondria
What is the evolutionary relationship between archaea and eukaryotic cells according to the text?
Eukaryotic cells evolved from archaea
What process is responsible for eukaryotes acquiring photosynthesis through the engulfment of aerobic and cyanobacteria?
Primary endosymbiosis
Which event involves a heterotrophic eukaryote engulfing a unicellular red alga, giving rise to some plastids?
Secondary endosymbiosis
What major eukaryotic lineage underwent primary endosymbiosis with cyanobacteria, leading to the evolution of algae?
Glaucophytes
In which organelle does a protein typically end up if it has an ER signal sequence directing it there?
Endoplasmic reticulum
What characterizes the process where red or green algae are engulfed by another eukaryote?
Secondary endosymbiosis
Which process involves the engulfment of an aerobic bacteria by the last eukaryotic common ancestor?
Mitochondrial endosymbiosis
Test your knowledge on key characteristics of prokaryote and eukaryotic cells, the structure and function of organelles, the endomembrane system, and the origin of mitochondria and eukaryotic cells. Explore how internal membranes in cells compartmentalize functions.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
