Cell Structure and Function

What is the significance of the nuclear envelope being continuous with the endoplasmic reticulum?

• Enhances DNA replication
• Promotes lipid storage
• Reduces cellular stress
• Facilitates communication and transport

Which organelle is responsible for assembling ribosomes?

• Mitochondria
• Chloroplast
• Golgi apparatus
• Nucleolus

Which type of microtubule arrangement is present in each peripheral fibril of a centriole?

• Single
• Double
• Triplet
• Quadruple

What is the function of radial spokes in the centriole?

• Form spindle fibers
• Transport ions
• Synthesize ATP
• Maintain structural integrity

What is the difference between chromatin and chromosomes?

• Chromatin is condensed; chromosomes are uncoiled
• Chromatin contains RNA; chromosomes do not
• Chromatin lacks proteins; chromosomes have proteins
• Chromatin is uncoiled; chromosomes are condensed