PSB practice test- science with complete rationales

PSB practice test- science with complete rationales what is the name for any substance that stimulates the production for antibodies? a. collagen b. hemoglobin c. lymph d. antigen - CORRECT ANSWER d. antigen which of the following correctly lists the cellular hierarchy from the simplest to the most complex structure? - CORRECT ANSWER cell, tissue, organ, organ system, organism if a cell is placed in a hypertonic solution what will happen to tell cell? - CORRECT ANSWER it will shrink which group of major parts and organs make up the immune system? - CORRECT ANSWER lymphatic system, spleen, tonsils, thymus, and bone marrow the rate of a chemical reaction depends all on the following except: a. temperature b. surface area c. presence of catalysts d. amount of mass lost - CORRECT ANSWER d. amount of mass lost What is the law: For a given mass and constant temperature, an inverse relationship exists between the volume and pressure of a gas. a. Ideal gas law b. Boyle's law c. Charle's law d. Stefan-Boltzmann law - CORRECT ANSWER b. Boyle's law Which of the following statements correctly compares prokaryotic and eukaryotic cells? a. prokaryotic cells have a true nucleus, eukaryotic cells do not. b. both have a membrane c. Prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do d. prokaryotic cells are more complex than eukaryotic cells - CORRECT ANSWER c. Prokaryotic cells do not contain membrane-bound organelles, eukaryotic cells do What is role of ribosomes? a. make proteins b. waste removal c. transport d. storage - CORRECT ANSWER a. make proteins