Dna replication consists of several steps that result in the duplication or copying of genetic material. which step of dna replication occurs first? a.) an enzyme unwinds the double helix. b.) the cell makes copies of all organelles. c.) nucleotides pair up with nitrogenous bases. d.) hydrogen bonds between nitrogen bases separate.

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

answerpotassium hydroxide preparation;

treatment of fungal infections usually follows diagnosis confirmed by potassium hydroxide preparation or culture;