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test verson 2

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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, hydrogen, and oxygen, but not nitrogen.

  • Which microscope type magnifies specimens using visible light?

    The optical microscope magnifies and illuminates specimens using visible light.

  • What are the three main components of a eukaryotic cell?

    Nucleus, cytoplasm, and plasma membrane are the main components; chloroplasts are not always present.

  • Which organelles detoxify harmful substances and are involved in lipid metabolism?

    Peroxisomes contain enzymes that detoxify toxins like alcohol and assist in lipid metabolism.

  • Which organelle performs its functions less efficiently compared to others?

    The endoplasmic reticulum performs its functions less efficiently than mitochondria, chloroplasts, or ribosomes.

  • Which cellular structure helps eukaryotic cells withstand mechanical stress?

    Intermediate filaments provide mechanical strength to cells when stretched.

  • Why is the nucleus essential for protein secretion in eukaryotic cells?

    It houses the DNA that codes for proteins, which is necessary for protein synthesis.

  • According to endosymbiotic theory, what is the origin of chloroplasts?

    Chloroplasts originated from engulfed photosynthetic cyanobacteria.

  • What is the main function of intermediate filaments?

    The main function of intermediate filaments is structural support within the cell.