What did chargaff discover while studying bases in the dna of organisms a. the bases in the dna of each organism were unique. b. the ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine. c. the overall percentages of bases were different from one organism to the next. d. there were equal amounts of all four bases in every organism, or 25 percent of each base.

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ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.