Eukaryotic Cell Structure and Characteristics

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What is the primary function of the intracytoplasmic membrane complex in eukaryotic cells?

To provide structural support

To perform photosynthetic reactions

To serve as a transport system (correct)

To generate ATP through fermentation

What is a characteristic that distinguishes eukaryotic cells from bacterial and archaeal cells?

Absence of mitochondria

More structurally complex and generally larger size (correct)

Presence of a large nucleus

Lack of a cell wall

What is the primary component of the cell walls of photosynthetic algae?

Cellulose, pectin, and silica (correct)

Chitin and glucans

Starch and glycogen

Proteins and lipids

What is the site of tricarboxylic acid cycle activity in eukaryotic cells?

Mitochondria Signup and view all the answers

What is the function of hydrogenosomes in some anaerobic protists?

To generate ATP through fermentation Signup and view all the answers

What is the origin of mitochondria and chloroplasts?

They were formed through symbiotic relationships with bacteria Signup and view all the answers

What is unique about the ribosomes found in mitochondria and chloroplasts?

They are similar to prokaryotic 70s ribosomes Signup and view all the answers

What is the primary function of chloroplasts?

To perform photosynthetic reactions Signup and view all the answers

What is a characteristic of the DNA found in mitochondria?

It is circular and replicates autonomously Signup and view all the answers

What is the purpose of the double membrane surrounding chloroplasts?

To regulate the flow of materials into and out of the chloroplast Signup and view all the answers

What is the primary function of the mitochondria in eukaryotic cells?

To generate ATP through electron transport and oxidative phosphorylation Signup and view all the answers

What is the main difference between mitochondria and hydrogenosomes?

Mitochondria generate ATP through electron transport while hydrogenosomes generate ATP through fermentation Signup and view all the answers

What is the composition of the cell walls of fungi?

Chitin and glucans Signup and view all the answers

What is the evolutionary origin of mitochondria and chloroplasts?

They evolved from bacterial cells that were ingested by early eukaryotes Signup and view all the answers

What is the characteristic of ribosomes found in mitochondria and chloroplasts?

They are similar to prokaryotic 70s ribosomes Signup and view all the answers

What is the function of the double membrane surrounding chloroplasts?

To separate the inner and outer compartments of the chloroplast Signup and view all the answers

What is the characteristic of the DNA found in mitochondria?

It is circular and replicates autonomously Signup and view all the answers

What is the function of the intracytoplasmic membrane complex in eukaryotic cells?

To serve as a transport system Signup and view all the answers

What is the characteristic of eukaryotic cells that distinguishes them from bacterial and archaeal cells?

The presence of membrane-bound organelles Signup and view all the answers

What is the primary component of the cell walls of photosynthetic algae?

Cellulose and pectin Signup and view all the answers

Eukaryotic Cell Structure and Characteristics

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Questions and Answers

What is the primary function of the intracytoplasmic membrane complex in eukaryotic cells?

What is a characteristic that distinguishes eukaryotic cells from bacterial and archaeal cells?

What is the primary component of the cell walls of photosynthetic algae?

What is the site of tricarboxylic acid cycle activity in eukaryotic cells?

What is the function of hydrogenosomes in some anaerobic protists?

What is the origin of mitochondria and chloroplasts?

What is unique about the ribosomes found in mitochondria and chloroplasts?

What is the primary function of chloroplasts?

What is a characteristic of the DNA found in mitochondria?

What is the purpose of the double membrane surrounding chloroplasts?

What is the primary function of the mitochondria in eukaryotic cells?

What is the main difference between mitochondria and hydrogenosomes?

What is the composition of the cell walls of fungi?

What is the evolutionary origin of mitochondria and chloroplasts?

What is the characteristic of ribosomes found in mitochondria and chloroplasts?

What is the function of the double membrane surrounding chloroplasts?

What is the characteristic of the DNA found in mitochondria?

What is the function of the intracytoplasmic membrane complex in eukaryotic cells?

What is the characteristic of eukaryotic cells that distinguishes them from bacterial and archaeal cells?

What is the primary component of the cell walls of photosynthetic algae?

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