Cell Structure and Function

Which structure connects the centriole to the hub?

• Microfilaments
• Intermediate filaments
• Spindle fibers
• Radial spokes

What is the function of the perinuclear space?

• Synthesizes ribosomal RNA
• Facilitates protein synthesis
• Transports mRNA
• Acts as a barrier between the nucleus and cytoplasm

What is the name given to the material inside the nucleus that can be stained with basic dyes?

• Nucleoplasm
• Cytoplasm
• Chromatin
• Karyoplasm

Who first described the nucleus as a cell organelle?

• Robert Hooke
• Anton van Leeuwenhoek
• Robert Brown
• Matthias Schleiden

What does electron microscopy reveal about the internal structure of cilia and flagella?

• Contains ribosomes
• Contains DNA
• Contains chloroplasts
• Contains microtubules