The general sequence by which a plant responds to external stimuli is
A. input-reflex-output.
B. leaf-stem-root.
C. reception-transduction-cellular response.
D. sensory nerve-interneuron-motor nerve.
E. chloroplast-vascular bundle-sap.
Answer: C
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The interaction of hydrophobic molecules in water is due more to an attempt by the hydrophobic molecules to avoid the water molecules than an attraction of the hydrophobic molecules for each other
A. true B. false
Mycobacterium tuberculosis has chemicals in its cell wall that inhibit the fusion of phagocytic vacuoles with lysosomes. Which statement is true?
A. Antibodies produced by the cells can more effectively kill the bacteria. B. The bacterium can survive and replicate inside of the phagocytic cell. C. The bacterium can produce chemicals which can destroy the macrophage housing the bacterium. D. Complement proteins will take over to destroy the bacteria.
In which process are fluids pumped into the abdominal cavity to absorb wastes, then pumped out?
a. none of the choices b. peritoneal dialysis c. gastric lavage d. hemodialysis
__________ are heterotrophs that grow as a mesh of absorptive filaments. Some are plant pathogens. Fill in the blank(s) with the appropriate word(s)