ATI TEAS 7 SCIENCE (ACTUAL SCREENSHOT AND QUESTIONS AND ANSWERS EXAMS) 1. d. Movement of sodium and potassium across the cell membrane against their concentration gradients. 2. B. A hypothesis 3. D. urea 4. 5. Carbon has an atomic number of 6. Which of the following is true about isotope c-12? a. C-12 possesses 6 neutrons and 6 protons in its nucleus b. C-12 possesses 7neutrons and 5 protons in its nucleus c. C-12 possesses 7 neutrons and 5 protons in its nucleus d. C-12 possesses 6 neutrons and 6 protons in its nucleus 6. Which of the following best describes adaptive immunity? a. The body barrier defences,such as mucous membranes and secretions b. A response to specific traits of specific pathogens. c. The initiation of the inflammatory response d. The initiation of internal defences, such as phagocytes and natural killer cells. 7. The body cavity is subdivided into the thoracic and the abdominopelvic cavities a. Dorsal b. Ventral c. Cranial
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