1. Describe the process scientists use to make lots of copies of DNA sequences.
NOTEBOOK

Polymerase chain reaction (PCR) is a technique used by scientists to replicate many copies of DNA sequences in less than a day. During a polymerase chain reaction, smaller segments of DNA are being copied. The first stage of this process occurs when the DNA is heated to produce two single strands that are separated.

Explanation:

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.