Cell Structure and Function Quiz

• Red blood cell
• Sperm cell
• Skeletal muscle fiber
• Epithelial cell

• It synthesizes DNA
• It controls the transport of transcription factors and RNA
• It degrades old genes
• It replicates the nucleolus

• A solid structure that holds chromosomes
• A gel-like substance containing enzymes, ions, and nucleic acids
• A lipid layer surrounding the nucleus
• A network of blood vessels

• To produce ATP
• To protect the nucleus
• To facilitate protein synthesis for the endomembrane system
• To degrade old nuclear proteins

• It doubles in size
• It migrates to the cytoplasm
• It disassembles during prophase and reforms in telophase
• It becomes part of the nuclear membrane