Cell Structure and Function

Which structure ensures equal distribution of chromosomes during cell division?

• Ribosomes
• Mitochondria
• Endoplasmic reticulum
• Spindle fibers

What is the term used for one of the two identical copies of a replicated chromosome?

• Gene
• Allele
• Chromosome
• Chromatid

Which class covers the detailed mechanism of DNA packaging?

• Class IX
• Class X
• Class XI
• Class XII

What is the significance of chromatin condensation?

• Increases DNA replication speed
• Reduces cellular metabolism
• Facilitates protein synthesis
• Allows accurate segregation of genetic material

What happens to the nuclear envelope during cell division?

• It expands
• It remains unchanged
• It divides independently
• It breaks down