Cell Structure and Function

What is the primary structural component of chromatin?

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

Which statement about erythrocytes is correct?

• They die immediately after losing nucleus
• They are prokaryotic cells
• They can reproduce independently
• They are living cells despite lacking a nucleus

What is the primary role of the nuclear pore complex?

• DNA replication
• Energy production
• Cell adhesion
• Selective transport

Which cells are known to have multiple nuclei?

• Red blood cells
• Platelets
• Sieve tube elements
• Striated muscle cells

What is the main 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