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Terms in this set (10)

  • What distinguishes steroids from other lipids?
    Steroids contain a distinctive carbon ring structure unlike other lipids.
  • Which elements are found in all lipids except one?
    All lipids contain carbon, oxygen, and hydrogen, but not nitrogen.
  • Which microscope type magnifies specimens using visible light?
    The optical microscope magnifies and illuminates specimens using visible light.
  • Which is NOT one of the three main components of a eukaryotic cell?
    Chloroplasts are not considered one of the three main components; the main components are nucleus, cytoplasm, and plasma membrane.
  • Which organelles detoxify harmful substances and are involved in lipid metabolism?
    Peroxisomes contain enzymes that detoxify harmful substances and assist in lipid metabolism.
  • Which organelle performs its functions less efficiently than others?
    The chloroplast performs its functions less efficiently compared to mitochondria, ribosomes, and endoplasmic reticulum.
  • Which cellular structure helps eukaryotic cells withstand mechanical stress?
    Intermediate filaments allow cells to withstand mechanical stress from stretching.
  • Why is the nucleus essential for protein secretion in eukaryotic cells?
    The nucleus houses the DNA that codes for proteins, making it essential for protein secretion.
  • According to endosymbiotic theory, what is the origin of chloroplasts?
    Chloroplasts originated from engulfed photosynthetic cyanobacteria according to endosymbiotic theory.
  • What is the main function of intermediate filaments?
    The main function of intermediate filaments is structural support within the cell.