20 Questions
What is the primary function of the intracytoplasmic membrane complex in eukaryotic cells?
To serve as a transport system
What is a characteristic that distinguishes eukaryotic cells from bacterial and archaeal cells?
More structurally complex and generally larger size
What is the primary component of the cell walls of photosynthetic algae?
Cellulose, pectin, and silica
What is the site of tricarboxylic acid cycle activity in eukaryotic cells?
Mitochondria
What is the function of hydrogenosomes in some anaerobic protists?
To generate ATP through fermentation
What is the origin of mitochondria and chloroplasts?
They were formed through symbiotic relationships with bacteria
What is unique about the ribosomes found in mitochondria and chloroplasts?
They are similar to prokaryotic 70s ribosomes
What is the primary function of chloroplasts?
To perform photosynthetic reactions
What is a characteristic of the DNA found in mitochondria?
It is circular and replicates autonomously
What is the purpose of the double membrane surrounding chloroplasts?
To regulate the flow of materials into and out of the chloroplast
What is the primary function of the mitochondria in eukaryotic cells?
To generate ATP through electron transport and oxidative phosphorylation
What is the main difference between mitochondria and hydrogenosomes?
Mitochondria generate ATP through electron transport while hydrogenosomes generate ATP through fermentation
What is the composition of the cell walls of fungi?
Chitin and glucans
What is the evolutionary origin of mitochondria and chloroplasts?
They evolved from bacterial cells that were ingested by early eukaryotes
What is the characteristic of ribosomes found in mitochondria and chloroplasts?
They are similar to prokaryotic 70s ribosomes
What is the function of the double membrane surrounding chloroplasts?
To separate the inner and outer compartments of the chloroplast
What is the characteristic of the DNA found in mitochondria?
It is circular and replicates autonomously
What is the function of the intracytoplasmic membrane complex in eukaryotic cells?
To serve as a transport system
What is the characteristic of eukaryotic cells that distinguishes them from bacterial and archaeal cells?
The presence of membrane-bound organelles
What is the primary component of the cell walls of photosynthetic algae?
Cellulose and pectin
Test your knowledge of eukaryotic cells, including their membrane-bound organelles, transport systems, and cell walls. Learn about the unique features of eukaryotic cells and how they differ from bacterial and archaeal cells.
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