The Cell and Its Functions

MULTIPLE CHOICE 1. The most abundant cell membrane lipids are a. sphingolipids. b. phospholipids. c. cholesterol. d. triglycerides. e. sterols. ANS: B 2. Organelles that neutralize drugs and toxins are a. nuclei. b. mitochondria. c. lysosomes. d. peroxisomes. e. endoplasmic reticulum. ANS: D 3. Use the terms in the following list to identify the cellular location for the steps involved in the synthesis and packaging of a secreted protein. “Initiation of translation” a. Nucleolus b. Nucleus c. Agranular endoplasmic reticulum d. Granular endoplasmic reticulum e. Golgi apparatus f. Endosomes g. Peroxisomes h. Cytosol ANS: H 4. Use the terms in the following list to identify the cellular location for the steps involved in the synthesis and packaging of a secreted protein. “Protein sorting and packaging” a. Nucleolus b. Nucleus c. Agranular endoplasmic reticulum d. Granular endoplasmic reticulum e. Golgi apparatus f. Endosomes g. Peroxisomes h. Lysosomes ANS: E 5. Use the terms in the following list to identify the cellular location for the steps involved in the synthesis and packaging of a secreted protein. “Gene transcription” a. Nucleolus b. Nucleus c. Agranular endoplasmic reticulum d. Granular endoplasmic reticulum e. Golgi apparatus