• BIO201_MH_V3 Topic 3: Cell Biology EXAM | 100 out of 100 | Download To Score A

• BIO201_MH_V3 • Topic 3: Cell Biology What structure does "C" represent on the diagram of the plasma membrane? Select one: a. membrane channel protein b. phospholipid bilayer c. internal membrane surface d. peripheral protein e. integral protein Question 2 Correct 1.75 points out of 1.75 Flag question Question text What structure does "D" represent on the diagram of the plasma membrane? Select one: a. membrane channel protein b. phospholipid bilayer c. internal membrane surface d. peripheral protein e. integral protein Question 3 Correct 1.75 points out of 1.75 Flag question Question text Question text What structure does "A" represent on the diagram of the plasma membrane? Select one: a. membrane channel protein b. phospholipid bilayer c. internal membrane surface d. peripheral protein e. integral protein Question text The environment outside the plasma membrane is most appropriately referred to as Select one: a. intracellular. b. extracellular. c. multicellular. d. centrocellular. e. None of these choices are correct. Question 6 Correct 1.75 points out of 1.75 Flag question Question text Which of the following could be used to study general features of cells? Select one: a. a magnifying glass b. scanning electron microscope c. transmission electron microscope d. binoculars e. light microscope Question text Which of the following organelles function in the destruction of nonfunctional organelles? Select one: a. endoplasmic reticulum b. centrioles c. basal bodies d. lysosomes e. mitochondria Question 8 Correct 1.75 points out of 1.75 Flag question Question text e. 4, 3, 2, 1 Question text Red blood cells (RBCs) have been placed in three different solutions: hypotonic, hypertonic, isotonic. What is solution "C" relative to the RBC? Select one: a. hypotonic solution b. hypertonic solution c. isotonic solution d. hemolyzed e. crenated Question 10 Correct 1.75 points out of 1.75 Question text Cyanide stops the production of ATP. Which of the following processes would be affected? Select one: a. simple diffusion b. osmosis c. active transport d. facilitated diffusion e. filtration Question 11 Incorrect 0.00 points out of 1.75 Flag question Question text The movement of water through a selectively permeable membrane is called Select one: a. active transport. b. diffusion. c. endocytosis. d. facilitated diffusion. e. osmosis. Question 12 Correct 1.75 points out of 1.75 Question text A runner produced hypotonic sweat while running a marathon in hot weather. After the race, he drank large volumes of water. As a result of the water intake, his body cells will Select one: a. shrink. b. swell. c. crenate. d. shrivel. e. not change. Question 13 Correct 1.75 points out of 1.75 Flag question Question text The movement of a substance from an area of high concentration to an area of less concentration is called Select one: a. active transport. b. diffusion. c. endocytosis. d. facilitated diffusion. e. osmosis. Question 14 Question text The structural RNA of ribosomes is a Select one: a. pre-mRNA. b. proenzyme. c. gene. d. ribosomal RNA (rRNA). e. codon. Question 15 Correct 1.75 points out of 1.75 Flag question Question text Chromatin condenses and nucleoli disappear during Select one: a. interphase. b. prophase. c. metaphase. d. anaphase. e. telophase. Question 16 Question text Question text Which of the following is NOT associated with interphase? Select one: a. The centrioles duplicate. b. The cell grows. c. The cell does what it is designed to do. d. The cell does nothing but rest. e. The DNA replicates. Question 18 Correct 1.75 points out of 1.75 Flag question Question text Question text Genes that play a role in the regulation of mitosis are called Select one: a. basal cells. b. oncogenes. c. proto-oncogenes. d. mutagens. e. apoptogenes. Question 20 Correct 1.75 points out of 1.75 Flag question Question text