Match the concept in column A to the concept in column B. Write the letter of the correct answer on the blank provided. A 1.Aristotle a. they dissolve in water but do not release ions 2.Robert Hooke b. react with water to produce ions. c. act as an enzymes. 3. Antonie van Leeuwenhoek 4.nonelectrolytes d. parts of 2 different kinds of molecules trade positions with one another e. organic substances that control cellular activities in a very special 5.monosaccharides way. f. responsible for about two-thirds of the weight of an adult human g. classified animals based on the presence of 6.proteins 7.isotopes blood. 8.exchange reaction 9.nucleic acids h. molecular formula i. Initially discovered the cell. j. galactose k. sucrose 10.water I. atoms with the same atomic number but different atomic weights.

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Plant sensory system

The plant sensory system is a sophisticated system that responds to environmental stimuli such as light,temperature, gravity, and touch. Research predicts that plant hormones and signaling mechanisms areresponsible for this regulation system in plants.