Why does the DNA stay dissolved in the extraction buffer

Which are forms of nitrogen that are usable by humans

What are the formed elements (cell or parts of cell) in blood and what are their functions ?

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.