front 1 Hormones are secreted by phagocytosis. pinocytosis. osmosis. | back 1 exocytosis. |
front 2 Which of the following statements about the rough endoplasmic reticulum is false? It consists of stacked envelopes called cisternae. It makes the digestive enzymes contained in the lysosomes. It makes the integral proteins of the cell membrane. | back 2 it stores lipids as inclusions |
front 3 Of the following, the only organelle that has a double membrane structure is the Golgi apparatus. endoplasmic reticulum. centriole. | back 3 mitochondrion |
front 4 This organelle is characterized by folded membranes called cristae. peroxisome lysosome Golgi apparatus rough endoplasmic reticulum None of the above | back 4 mitochondria |
front 5 Which type of endocytosis ingests the most specific type of molecule? receptor-mediated endocytosis pinocytosis fluid-phase endocytosis | back 5 receptor-mediated endocytosis |
front 6 Which of the following statements about integral proteins in the plasma membrane is false? Some attach to the glycocalyx. They determine which molecules are transported through the membrane. Most extend all the way through the membrane. | back 6 they are more abundant by volume than the membrane phospholipids. |
front 7 This membranous organelle is the site of protein synthesis for proteins that are secreted by the cell. a. golgi apparatus b. lysosome c. rough ER d. mitochondria | back 7 C |
front 8 When a phagocytic white blood cell ingests a foreign bacterial cell, the vesicle fuses with this organelle. a. golgi apparatus | back 8 B |
front 9 This organelle primarily modifies products from the rough ER, and it resembles a stack of hollow saucers, one cupped inside the next. a. golgi apparatus | back 9 A |
front 10 This organelle produces ATP molecules a. golgi apparatus | back 10 D |
front 11 This organelle has both a cis and a trans face a. golgi apparatus | back 11 A |
front 12 These organelles are often called the "demolition crew" of the cell. a. golgi apparatus | back 12 B |
front 13 Materials that are to be exocytosed by cells are enclosed in vesicles synthesized by the mitochondrion. nucleosome. ribosome. | back 13 Golgi apparatus. |
front 14 The plasma membrane is composed of all of the following except tubulin protein. phospholipids. cholesterol. glycoproteins. | back 14 tubulin protein. |
front 15 The plasma membrane is important for all the following reasons except it separates the ECF from the ICF. it acts as a site for cell-to-cell interaction and recognition. it determines what substances enter and exit the cell. | back 15 it is an important site for DNA transcription |
front 16 Which letter indicates a nucleosome? | back 16 C |
front 17 Which letter indicates the chromatid? | back 17 D |
front 18 Which letter indicates histones? | back 18 B |
front 19 Which letter indicates the mitochondrion? | back 19 B |
front 20 Which letter indicates the Golgi apparatus? | back 20 E |