BIOL 1406 Lab Midterm with complete solutions

BIOL 1406 Lab Midterm with complete solutionsWhat is the stinging organelle that assists it in capturing large prey? - correct answer Trichocyst Which species of amoeba did you observe under the microscope? - correct answer Amoeba proteus Which experimental group receives the treatment? - correct answer Control group A solution that tends to release protons is - correct answer An acid The portion of a phospholipid that contains the phosphate group has one or more electrical charges. That makes this region of the molecule - correct answer Hydrophilic The Biuret test is used to detect the presence of which group of macromolecules? - correct answer Proteins Which of the following molecules move across the cell membrane by simple diffusion? - correct answer Oxygen, carbon dioxide, and water Which of the following transport processes requires the expenditure of energy? - correct answer Exocytosis Which of the following statements regarding enzymes is true? - correct answer Enzymes increase the rate of reaction When the products of a reaction are at a higher energy level than the reactants, the reaction is - correct answer Endergonic Term which means that if an object is centered with the low power objective, it is centered when you switch to the high power objective? - correct answer Par-centered