Cell Structure and Function

What is chromatin composed of?

• RNA and lipids
• Carbohydrates and proteins
• RNA and carbohydrates
• DNA and proteins

What is the term for the space between the two membranes of the nuclear envelope?

• Cytoplasmic space
• Nuclear matrix
• Intermembrane space
• Perinuclear space

How many peripheral fibrils are typically found in a centriole?

• Six
• Seven
• Eight
• Nine

What does the nucleolus primarily synthesize?

• Messenger RNA
• Transfer RNA
• DNA
• Ribosomal RNA

Which part of the centriole connects the peripheral triplets?

• Microfilaments
• Intermediate filaments
• Spindle fibers
• Radial spokes