Flagella Function and Structure in Prokaryotic and Eukaryotic Cells

The video tutorial explains the structure and function of flagella in both prokaryotic and eukaryotic cells. It highlights the differences in composition, mechanism, and energy sources between the two types. Prokaryotic flagella are composed of flagellin and rotate using proton pumps, while eukaryotic flagella are made of microtubules and use ATP for a bending motion. The tutorial concludes with a comparison of the two flagella types, emphasizing their structural and functional differences.

What is the primary function of flagella in both prokaryotic and eukaryotic cells?

• Photosynthesis

• Cell division

• Locomotion

• Protein synthesis

What protein primarily composes the prokaryotic flagellum?

• Keratin

• Flagellin

• Tubulin

• Actin

How do prokaryotic cells change their direction of movement?

• By changing flagella composition

• By stopping flagella movement

• By rotating flagella clockwise

• By increasing flagella length

What structures are involved in the formation of eukaryotic flagella?

• Ribosomes

• Centrioles

• Mitochondria

• Lysosomes

What is the arrangement of microtubules in eukaryotic flagella known as?

• 10+2

• 8+2

• 9+2

• 9+0

Which protein is responsible for the bending motion in eukaryotic flagella?

• Myosin

• Dynein

• Actin

• Kinesin

What energy source is used by eukaryotic flagella for movement?

• FADH2

• NADH

• ATP

• Glucose

How do prokaryotic flagella obtain energy for movement?

• Via electron transport chain

• From glucose breakdown

• Directly from ATP

• Through proton pumps

Which of the following is a key structural difference between prokaryotic and eukaryotic flagella?

• Number of flagella

• Size of the cell

• Use of flagellin vs. microtubules

• Presence of a cell wall

What type of motion is characteristic of eukaryotic flagella?

• Sliding

• Rotating

• Bending

• Vibrating