Which of the following is an example of deductive reasoning?
A) Living objects are composed of cells.
B) Atoms make up molecules, which make up cells, which make up tissues.
C) If an object exhibits all the characteristics of life, it must be living.
D) All objects on Earth will fall down when dropped, and none will "fall up."
C
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White blood cells also called leukocytes are important in immunity
Indicate whether this statement is true or false.
The energy necessary to drive the bacteriorhodopsin proton pump that creates the proton gradient needed for ATP synthesis is generated by
A) a Na+ electrochemical gradient across the membrane. B) a H+ concentration gradient across the membrane. C) a membrane potential of 100 mV across the membrane. D) ATP hydrolysis by ATP synthase. E) retinal absorption of light energy.
Which of the following hormones promotes seed germination?
A) auxin B) ethylene C) gibberellin D) abscisic acid
Dietary choices that can increase the risk of certain cancers include ________
A) high-fiber diets B) diets high in saturated fats C) diets low in cured foods D) diets high in antioxidants