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Biology, 13.07.2019 08:30 unknown6669

1. what is the purpose of a buffer in the body? a. to prevent capillary action b. to prevent sudden changes in ph c. to prevent sudden changes in temperature d. to prevent the formation of surface tension 2. which property of carbon atoms is essential to the creation of life? a. carbon atoms bond with other carbon atoms. b. carbon atoms form strong hydrogen bonds. c. carbon atoms are polar molecules. d. carbon atoms buffer solutions. 3. how are sugars and starched related? a. sugars are polymers that make up starches. b. sugar are monomers that make up starches. c. starches are monomers that make up sugars. d. starches are polymers that make up sugars. 4.which of the following has catalytic functions in a cell? a. proteins b. carbohydrates c. lipids d. nucleic acids 5. which of the following can be used to explain why water is able to dissolve many substances? a. water had strong cohesive properties. b. water has high heat capacity. c. water is a polar molecule. d. water had a neutral ph. 6. which of the following is true of an exergonic chemical reaction? a. reactants lose mass as products are formed. b. bonds are broken in reactants and new bonds are formed in products. c. no activation energy is required to initiate it. d. the energy released is captured by a catalyst. put correct giving !

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