Cell Structure and Function

What is the main difference between eukaryotic and prokaryotic genetic material?

• Present in multiple copies in prokaryotes
• Organized into chromosomes in eukaryotes
• Located in the endoplasmic reticulum
• Always double-stranded in prokaryotes

What is the correct size of prokaryotic ribosomes?

• 60S
• 70S
• 80S
• 90S

Which of the following structures is involved in bacterial motility?

• Pili
• Fimbriae
• Flagella
• Capsule

What is the function of gas vacuoles in photosynthetic bacteria?

• Storing nutrients
• Facilitating movement
• Providing buoyancy
• Replicating DNA

What differentiates plant cells from animal cells structurally?

• Presence of mitochondria
• Presence of ribosomes
• Presence of a cell wall
• Presence of lysosomes