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Cilia and Flagella in Eukaryotic Cells

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Questions and Answers

What is the primary difference between cilia and flagella?

Cilia are membrane-bound cylinders, flagella are not.

Cilia have a 9+2 pattern of microtubules, flagella do not. (correct)

Flagella are shorter than cilia in eukaryotes.

Flagella are used by Paramecia, while cilia are used by sperm cells.

How do cells of the upper respiratory tract primarily use cilia?

To aid in cell movement

To sweep trapped debris within mucus (correct)

To digest debris

To generate energy

Where are the origins of mitochondria and chloroplasts believed to be from?

Fungi

Animals

Viruses

Prokaryotes (correct)

What supports the endosymbiotic theory regarding the origin of mitochondria and chloroplasts?

Both organelles have circular loop DNA like prokaryotes. Signup and view all the answers

Which statement best describes the evolution of eukaryotes from prokaryotes according to the text?

Eukaryotes evolved in stages from prokaryotes. Signup and view all the answers

What is a unique characteristic shared by both mitochondria and chloroplasts according to the text?

They contain a limited amount of genetic material. Signup and view all the answers

What type of microtubule pattern is present in both cilia and flagella?

9 + 2 Signup and view all the answers

Which organelles are like bacteria in size and structure?

Mitochondria and chloroplasts Signup and view all the answers

What was the original nature of mitochondria before they became part of eukaryotic cells?

Heterotrophic bacteria Signup and view all the answers

Which cells utilize flagella for movement?

Sperm cells Signup and view all the answers

What is the significance of the double membrane of mitochondria and chloroplasts?

Allows for independent replication Signup and view all the answers

Which of the following best describes the relationship between archaea and eukaryotes?

Archaea are more closely related to eukaryotes Signup and view all the answers

What is a common function of cilia in eukaryotic cells?

Aiding in cell movement Signup and view all the answers